KBD_IRQ# is moved to GPIO SC101, with SC50 going back to its original
SERIRQ function.
Note that this change breaks Rambi 1.5 keyboard functionality.
BUG=chrome-os-partner:24424
TEST=Manual on Rambi 2.0. Verify KB functions in OS with SC50 / SERIRQ KB
interrupt toggling removed from EC code.
BRANCH=Rambi, Glimmer, Clapper
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: I3fa40441741ea9d52a6e2ff15925570510b5b82b
Reviewed-on: https://chromium-review.googlesource.com/181757
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>