Trembyle: Add EN_PWR_TOUCHPAD_PS2 GPIO
Trembyle: Add EN_PWR_TOUCHPAD_PS2 GPIO

Allow reading EN_PWR_TOUCHPAD_PS2 for debugging.

BUG=b:154676993
BRANCH=none
TEST=gpioget EN_PWR_TOUCHPAD_PS2

Signed-off-by: Edward Hill <db1406b34e091703092b6b136bdfeb2c8125fc0e@chromium.org>
Change-Id: Ifbde03181879289bc0433dc81d0282a3b109ee2f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2188115
Reviewed-by: Martin Roth <79230511ccf79da3f7e9e82dbcc9c1ec2f734fa0@google.com>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec