intel/common/block/ipu: Add MTL IPU device id

TEST=Build mtlrvp and check IPU0 ACPI ojbect from ssdt

Signed-off-by: Wonkyu Kim <wonkyu.kim@intel.com>
Change-Id: Ib5c3d455d272af0e753c775a5fd3f19851b7937d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66056
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/common/block/ipu/ipu.c

@@ -13,6 +13,7 @@ struct device_operations ipu_pci_ops = {
 
 static const uint16_t pci_device_ids[] = {
 	PCI_DID_INTEL_RPL_IPU,
+	PCI_DID_INTEL_MTL_IPU,
 	PCI_DID_INTEL_TGL_IPU,
 	PCI_DID_INTEL_TGL_H_IPU,
 	PCI_DID_INTEL_JSL_IPU,