games/brickmatch: Add touchscreen input and module support.

[aviralgarg05]

Note: Please adhere to Contributing Guidelines.

Summary

brickmatch could only be played with a keyboard, so on a board whose only
input is a touchscreen it could be started but not actually played.

This reads the touchscreen through the same input abstraction the existing
key handling uses, so the game loop is unchanged: a press maps to the
paddle position, and the existing key path stays as it is for boards with a
keyboard. The Kconfig entry also becomes tristate so the game can be built
as a loadable module rather than only into the image.

The diff previously carried the commits it was branched from, which is why
it showed a calculator that has nothing to do with brickmatch. It now
contains only the brickmatch change.

Impact

• New feature: YES, touchscreen input, selected in Kconfig.
• User adaptation: NO. Keyboard play is unchanged.
• Build: The Kconfig entry becomes tristate.
• Hardware: NO driver change; it reads an existing touchscreen device.
• Documentation: NO.
• Security: NO.
• Compatibility: A configuration without the new option behaves as before.

Testing

Build host: macOS 26.5, arm64, xtensa-esp-elf-gcc 14.2.0
(esp-14.2.0_20251107).

Target: Xtensa / ESP32-S3, Waveshare ESP32-S3-Touch-LCD-7, 800x480 RGB565
framebuffer with a GT911 touchscreen.

• nxstyle, tools/checkpatch.sh, codespell and git diff --check
• built for the target both as a builtin and as a loadable module
• played on the board with touch input: the paddle follows a press, and
  the game runs to a win and a loss without the keyboard attached

PR verification Self-Check

• This PR introduces one focused change.
• I have updated all required description fields above.
• I have reviewed and signed every commit.
• This PR adheres to the current contribution and coding guidelines.
• My PR is still work in progress.
• My PR is ready for review and can be safely merged.

[acassis]

@aviralgarg05 the PR is about adding touchscreen to brickmatch, but you are adding a Calculator here. All PRs needs to have logical separation

[aviralgarg05]

@aviralgarg05 the PR is about adding touchscreen to brickmatch, but you are adding a Calculator here. All PRs needs to have logical separation

Sorry, will check and fix all the PRs

[aviralgarg05]

Fixed the PR