soc/intel/cannonlake: Ignore GBE LTR
Ignore integrated GBE controller LTR setting to make it wake up from
s0ix with 10/100M cable attached.
BUG=b:
122435844
TEST= Test on sarien platorm, after the changes sytem can wake by WOL,
and also checked SLP_S0 residency can increase with 10/100M cable
and battery connected.
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Change-Id: Iec7dd197b8a456751f8e4dcb19e3e153f5888613
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31888
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>