soc/intel/alderlake: Add Raptor Lake device IDs

Add system agent ID for RPL QDF#Q2MB/Q2PS

TEST=able to build coreboot successfully

Signed-off-by: Marx Wang <marx.wang@intel.com>
Change-Id: I169c8bc51cdf7fbfcdb1996d93afa4a352e2fddf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71121
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>

src/include/device/pci_ids.h

@@ -4136,6 +4136,7 @@
 #define PCI_DID_INTEL_RPL_P_ID_2		0xa707
 #define PCI_DID_INTEL_RPL_P_ID_3		0xa708
 #define PCI_DID_INTEL_RPL_P_ID_4		0xa71b
+#define PCI_DID_INTEL_RPL_P_ID_5		0xa71c
 
 /* Intel SMBUS device Ids */
 #define PCI_DID_INTEL_LPT_H_SMBUS			0x8c22