brya: moving buttons and switches to use MKBP
brya: moving buttons and switches to use MKBP

Switching config option to route buttons and switches over MKBP
instead of 8042 driver

BRANCH=main
BUG=b:170966461
TEST=manual tested on Brya: volume keys and tablet mode

Cq-Depend: chromium:3097939
Signed-off-by: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>
Change-Id: Ifc45a040565dcd248de0d1cabe853550cc10bf38
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3098574
Reviewed-by: caveh jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>
Reviewed-by: Rob Barnes <3ced0940a2329ce70499686f01d3d60685ec66ed@google.com>

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