Configure GPIO EINT28 (XHCI_INIT_DONE) as output, so that payloads
(for example depthcharge) can assert it to notify EC to enable USB VBUS.
BUG=b:317009620
TEST=emerge-rauru coreboot
Change-Id: I5950974435b56997626886b16d371cd8e6472e3c
Signed-off-by: Yidi Lin <yidilin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84691
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yidi Lin <yidilin@google.com>
f789d41539