soc/intel/meteorlake: Select INTEL_GMA_OPREGION_2_1

Meteor Lake supports IGD Opregion version 2.1.

BUG=b:190019970 (for alderlake)
BRANCH=None
TEST=Build and Boot verified on google/rex

Port of 'commit 81d367feee13 ("soc/intel/alderlake:
Select INTEL_GMA_OPREGION_2_1")'

Signed-off-by: Dinesh Gehlot <digehlot@google.com>
Change-Id: I89e42b481834ed5ab35909b31b76215eaf8c7b36
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70541
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>

src/soc/intel/meteorlake/Kconfig

@@ -35,6 +35,7 @@ config CPU_SPECIFIC_OPTIONS
 	select INTEL_DESCRIPTOR_MODE_CAPABLE
 	select INTEL_GMA_ACPI
 	select INTEL_GMA_ADD_VBT if RUN_FSP_GOP
+	select INTEL_GMA_OPREGION_2_1
 	select IOAPIC
 	select MICROCODE_BLOB_UNDISCLOSED
 	select MRC_SETTINGS_PROTECT