This patch ensures to enable IFD GBE region only for required
CFL RVP8 and 11 supported by Intel IOTG team.
TEST=Ensure CONFIG_MAINBOARD_USES_IFD_GBE_REGION is not selected
for CFL-U and WHL-U boards
Change-Id: If3fcd23c32f9afd2004fb176c0324f089f2ee412
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/31192
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>