mb/google/poppy/variant/nocturne: add EC_SYNC_GPIO

Setup EC_PCH_ARCORE_INT_L, tied to GPP_D17, and define as EC_SYNC_GPIO..

 - change GPP_D17 definition to PAD_CFG_GPI_APIC_INVERT as
   EC_PCH_ARCORE_INT_L is active low

 - add EC_SYNC_GPIO to the group of chromeos_gpios for use by depthcharge

BUG=b:139384979
BRANCH=none
TEST="emerge_nocturne coreboot depthcharge chromeos-bootimage",
flash & boot nocturne in dev mode, verify that volume up and down
buttons work in the dev screen and that the device boots properly into
the kernel.

Change-Id: Ia43c622710fde8686c60b836fb8318931d79eb61
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35174
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

0 files changed, 0 insertions, 0 deletions