mb/google/brya/xol: Add Fn key scancode
The Fn key on Xol emits a scancode of 94 (0x5e).
BUG=b:
327656989
TEST=Flash xol, boot to Linux kernel, and verify that KEY_FN is
generated when pressed using `evtest`.
Change-Id: I34ed93d9666504bfd4d439e166911e49f58e5ff5
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82069
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>