Add second source touch pad with i2c address 0x15.
BUG=b:142629138
BRANCH=N/A
TEST=check new touch pad can work properly
Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: Icc58dbcf307f11c368a1a5408f32111ed5841d39
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36501
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ivy Jian <ivy_jian@compal.corp-partner.google.com>
Reviewed-by: Mathew King <mathewk@chromium.org>