mb/google/poppy/variants/nami: Enable elan touchpad

BUG=b:71838954
TEST=
1. emerge-nami coreboot chromeos-bootimage
2. check touchpad function
3. evtest
/dev/input/event5:      Elan Touchpad

Change-Id: I14471d1473a3b3ecf15aaf362b47874704cd3bf0
Signed-off-by: van_chen <van_chen@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/23133
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
1 file changed