ps8802: use hardware pin for IN_HPD
ps8802: use hardware pin for IN_HPD

we have a hardware line to this pin, so we should
use that instead of setting it in firmware

BUG=b:139432598
BRANCH=none
TEST=make buildall -j

Change-Id: I0e7e826930d4421f2cb6e03d09ea9d7036a9ad26
Signed-off-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1993862
Reviewed-by: Edward Hill <db1406b34e091703092b6b136bdfeb2c8125fc0e@chromium.org>

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