Add weida touchscreen support for drawcia.
BRANCH=dedede
TEST=Build and verify that touchscreen works on drawcia.
Change-Id: Ic76f3529771c6eeeafef7ca50fc400065aac2211
Signed-off-by: Shon Wang <shon.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65471
Reviewed-by: Ivan Chen <yulunchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>