mb/google/dedede/var/drawcia: Add support to handle pen detection

For board version 6 afterward, it will have external pull-up for
GPP_C12, and remove internal pull-up.

BUG=b:177618684
TEST=emerge-dedede coreboot, check evtest if SW_PEN_INSERTED event
(value:1/0) when insert/eject pen, and eject pen to wake system from s0ix

Signed-off-by: Wisley Chen <wisley.chen@quantatw.com>
Change-Id: I503873afb48384168dcd8a822c7246655898356e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49469
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Henry Sun <henrysun@google.com>

0 files changed, 0 insertions, 0 deletions