collecting info for board id variants and its gpio detail

[99degree]

this issue is to collect all joyeuse variants on how gpio as input and list the value/high/low status for distinguishing board id and difference between all variants.

here welcome to people have other product variants such curtana/gram/excalibur, if you want to leave detail too.

detail method refer to below url:
https://github.com/99degree/linux/wiki/u%E2%80%90boot-gpio-dump-vs--sys-class-gpio-export

result can refer to below url:
https://github.com/99degree/linux/wiki/board-id-and-gpio-input-value-comparison