landrid: Porting keyboard.
landrid: Porting keyboard.

Porting keyboard action key for landrid none keyboard backlight sku.
Remove redundant indentation of landrid_keybd_backlight.

BUG=b:232135808
BRANCH=dedede
TEST=make sure keyboard function of each MB works correctly.

Signed-off-by: Hank Xie <0a309eb4afb9ad90032f3a8cc49b19e708d98ab9@quanta.corp-partner.google.com>
Change-Id: I72fb6f61600f39897df06034c2f66ad9500fcdc1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3660700
Reviewed-by: Devin Lu <052fe648504800b810f29702ef4f3db83fad68bf@quantatw.com>
Reviewed-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Reviewed-by: Tommy Chung <6120d22c63496c33c3bb182026a6e985639be44d@quanta.corp-partner.google.com>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec