Modify IRQ pin from D21 to A21 and support wake-up from touchpad
BUG=b:141519690
TEST=build bios and verify elan touchpad works fine
Signed-off-by: Peichao Wang <peichao.wang@bitland.corp-partner.google.com>
Change-Id: I6cc5b780ffcee24f1f2a04e88c30628ceb5904e8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35551
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Shelley Chen <shchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>