soc/intel/alderlake: Add GFx Device ID 0x46aa

This CL adds support for new ADL-M graphics Device ID 0x46aa.

TEST=boot to OS

Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Change-Id: Ib24b494b0eedad447f3b2a3d1d80c9941680c25d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56775
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Anil Kumar K <anil.kumar.k@intel.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/soc/intel/alderlake/bootblock/report_platform.c b/src/soc/intel/alderlake/bootblock/report_platform.c
index a064714..4e071e7 100644
--- a/src/soc/intel/alderlake/bootblock/report_platform.c
+++ b/src/soc/intel/alderlake/bootblock/report_platform.c
@@ -107,6 +107,7 @@
 	{ PCI_DEVICE_ID_INTEL_ADL_P_GT2_5, "Alderlake P GT2" },
 	{ PCI_DEVICE_ID_INTEL_ADL_P_GT2_6, "Alderlake P GT2" },
 	{ PCI_DEVICE_ID_INTEL_ADL_M_GT1, "Alderlake M GT1" },
+	{ PCI_DEVICE_ID_INTEL_ADL_M_GT2, "Alderlake M GT2" },
 };
 
 static inline uint8_t get_dev_revision(pci_devfn_t dev)