Follow the data sheet SA577C-12C0, Rev. 1.1 to add the device.
BUG=b:284381266
TEST=check touch pad can detect in coreboot.
[INFO ] \_SB.I2C0.D015: ELAN Touchpad at I2C: 01:15
Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Change-Id: I0eb0ee1e6cb9c15bfe3964af6ce2ed02eee370a0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75478
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jon Murphy <jpmurphy@google.com>
77ea6ade13