Make idol_result return a Load-able type

[mkeeter]

(staged on #664)

This is a small cleanup to automatically load a value returned from idol_result (along the same lines as #631)

[mkeeter]

vpd --list works, although I can't test the locking commands locally.

matt@niles ~ () $ pfexec ./humility -tgimlet-d vpd -r --list
humility: attached to 0483:3754:000D00344741500820383733 via ST-Link V3
ID  C P  MUX ADDR DEVICE        DESCRIPTION               LOCKED
 0  2 F  1:1 0x50 at24csw080    U.2 Sharkfin A VPD        unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000021:002:BRM04230373"])])]

 1  2 F  1:2 0x50 at24csw080    U.2 Sharkfin B VPD        unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000021:002:BRM04230710"])])]

 2  2 F  1:3 0x50 at24csw080    U.2 Sharkfin C VPD        unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000021:002:BRM04230183"])])]

 3  2 F  1:4 0x50 at24csw080    U.2 Sharkfin D VPD        unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000021:002:BRM04230487"])])]

 4  2 F  2:1 0x50 at24csw080    U.2 Sharkfin E VPD        unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000021:002:BRM04230210"])])]

 5  2 F  2:2 0x50 at24csw080    U.2 Sharkfin F VPD        unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000021:002:BRM04230374"])])]

 6  2 F  2:3 0x50 at24csw080    U.2 Sharkfin G VPD        unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000021:002:BRM04230604"])])]

 7  2 F  2:4 0x50 at24csw080    U.2 Sharkfin H VPD        unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000021:002:BRM04230063"])])]

 8  2 F  3:1 0x50 at24csw080    U.2 Sharkfin I VPD        unlocked
 |
 +--> <bad header: HeaderCorrupt { stored_checksum: 0, computed_checksum: ffffffff }>

 9  2 F  3:2 0x50 at24csw080    U.2 Sharkfin J VPD        unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000021:002:BRM04230376"])])]

10  2 F  3:4 0x50 at24csw080    Gimlet VPD                unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:913-0000019:011:BRM23230022"]),("MAC0",[[168,64,37,4,6,199,8,0,8]])])]

11  2 B  1:3 0x50 at24csw080    Fan VPD                   unlocked
 |
 +--> [("FRU0",[("BARC",["0XV2:991-0000084:004:BRM11230023"]),("SASY",[("BARC",["0XV2:913-0000022:002:BRM04230086"]),("BARC",["0XV2:991-0000094:001:BRM04230260"]),("BARC",["0XV2:991-0000094:001:BRM04230256"]),("BARC",["0XV2:991-0000094:001:BRM04230253"])])])]

[mkeeter]

humility sbrmi also works:

matt@niles ~ () $ pfexec ./humility -tgimlet-d sbrmi -m -t0
humility: attached to 0483:3754:000D00344741500820383733 via ST-Link V3
MCA registers for thread 0x0 (0):

    MCA_CTL(0)     0x0001002e00ffffff
    MCA_STATUS(0)  0x0000000000000000
    MCA_ADDR(0)    0x0000000000000000
    MCA_MISC(0)    0xd010000000000000
    MCA_CONFIG(0)  0x00000007000001fd
                   |
                   +---> Interrupt Enable (IntEn)            = false
                         Deferred error type                 = 0x0
                         MCAX enable (McaxEn)                = true
                         MCA FRU text supported              = false
                         Address LSB in MCA_STATUS           = true
                         Deferred error status supported     = true
                         System fatal error event supported  = true
                         Deferred interrupt type supported   = true
                         Deferred error logging supported    = true
                         MCAX capable                        = true

    MCA_SYND(0)    0x0000000000000000
    MCA_IPID(0)    0x001000b000000000
                   |
                   +---> MCA bank type                       = 0x10
                         Instance ID (high)                  = 0x0
                         Hardware ID                         = 0xb0
                         Instance ID (low)                   = 0x0

    MCA_DESTAT(0)  0x0000000000000000
    MCA_DEADDR(0)  0x0000000000000000

    MCA_CTL(1)     0x000000000007ffff
    MCA_STATUS(1)  0x0000000000000000
    MCA_ADDR(1)    0x0000000000000000
    MCA_MISC(1)    0x0000000000000000
    MCA_CONFIG(1)  0x00000003000001f9
                   |
                   +---> Interrupt Enable (IntEn)            = false
                         Deferred error type                 = 0x0
                         MCAX enable (McaxEn)                = true
                         MCA FRU text supported              = false
                         Address LSB in MCA_STATUS           = true
                         Deferred error status supported     = true
                         System fatal error event supported  = true
                         Deferred interrupt type supported   = true
                         Deferred error logging supported    = false
                         MCAX capable                        = true

    MCA_SYND(1)    0x0000000000000000
    MCA_IPID(1)    0x000100b000000000
                   |
                   +---> MCA bank type                       = 0x1
                         Instance ID (high)                  = 0x0
                         Hardware ID                         = 0xb0
                         Instance ID (low)                   = 0x0

    MCA_DESTAT(1)  0x0000000000000000
    MCA_DEADDR(1)  0x0000000000000000

...etc

matt@niles ~ () $ pfexec ./humility -tgimlet-d sbrmi
humility: attached to 0483:3754:000D00344741500820383733 via ST-Link V3
 THR 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf
0x00  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok
0x10  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok
0x20  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok
0x30  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok
0x40  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok
0x50  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok
0x60  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok
0x70  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok  ok