soc/intel/alderlake: Update CPU and IGD Device IDs

Updated CPU ID and IGD ID for Alder Lake as per EDS.

TEST=Code compilation works and coreboot is able to boot and identify
new device Ids.

Change-Id: I2759a41a0db1eba5d159edfc89460992914fcc3c
Signed-off-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54211
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/soc/intel/common/block/graphics/graphics.c b/src/soc/intel/common/block/graphics/graphics.c
index 0920a05..fe89f86 100644
--- a/src/soc/intel/common/block/graphics/graphics.c
+++ b/src/soc/intel/common/block/graphics/graphics.c
@@ -295,6 +295,7 @@
 	PCI_DEVICE_ID_INTEL_ADL_GT1_8,
 	PCI_DEVICE_ID_INTEL_ADL_GT1_9,
 	PCI_DEVICE_ID_INTEL_ADL_P_GT2,
+	PCI_DEVICE_ID_INTEL_ADL_P_GT2_1,
 	PCI_DEVICE_ID_INTEL_ADL_S_GT1,
 	PCI_DEVICE_ID_INTEL_ADL_M_GT1,
 	0,