mb/google/dedede/var/magolor: Add stylus function

Add the stylus field in fw_config.
Update devicetree and gpio to handle stylus pen detection.

BUG=b:167983049
TEST=Build firmware and check behavior as following:
     1) Set the fw_config "bit4=1" for pen present:
     	Wake up from suspend when pen is removed from the garage.
     	Present the stylus menu when pen is removed from the garage.
     2) Set the fw_config "bit4=0" for pen absent:
        Wake up and present menu will not work when pen is removed
	form the garage.

Change-Id: I62489bb289b18f9aa0823005224eda3ef5218e03
Signed-off-by: Ren Kuo <ren.kuo@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60185
Reviewed-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions