Add PS/2 GPIO Bit-banging driver#15

infused-kim wants to merge 2 commits intozmkfirmware:v3.2.0+zmk-fixeszmkfirmware/zephyr:v3.2.0+zmk-fixesfrom

infused-kim:pr/ps2_gpioinfused-kim/zmk-zephyr:pr/ps2_gpioCopy head branch name to clipboard