Add header file from keycodes from Linux sources. This is needed so
that coreboot can provide scancode to keycode mappings in the ACPI
that the linux kernel expects (https://lkml.org/lkml/2020/3/24/588)
Signed-off-by: Rajat Jain <rajatja@google.com>
Change-Id: I40051cb63a6c154728887ac9b0521bc671b2a518
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40029
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>