pci_ids: Add Alder Lake DTT PCI IDs

Add PCI IDs for Intel's Dynamic Tuning Technology (DTT) for ADL.

Also add NULL terminator at end of pci_device_ids.

Change-Id: If25b1f562567a833683b0b8796bd1d6cac0bd490
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45140
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/include/device/pci_ids.h b/src/include/device/pci_ids.h
index a7f0fec..cbb1975 100644
--- a/src/include/device/pci_ids.h
+++ b/src/include/device/pci_ids.h
@@ -3973,6 +3973,7 @@
 #define PCI_DEVICE_ID_INTEL_CML_DTT		0x1903
 #define PCI_DEVICE_ID_INTEL_TGL_DTT		0x9A03
 #define PCI_DEVICE_ID_INTEL_JSL_DTT		0x4E03
+#define PCI_DEVICE_ID_INTEL_ADL_DTT		0x461d
 
 #define PCI_VENDOR_ID_COMPUTONE		0x8e0e
 #define PCI_DEVICE_ID_COMPUTONE_IP2EX	0x0291
diff --git a/src/soc/intel/common/block/dtt/dtt.c b/src/soc/intel/common/block/dtt/dtt.c
index d92eb15..58afd74 100644
--- a/src/soc/intel/common/block/dtt/dtt.c
+++ b/src/soc/intel/common/block/dtt/dtt.c
@@ -8,6 +8,8 @@
 	PCI_DEVICE_ID_INTEL_CML_DTT,
 	PCI_DEVICE_ID_INTEL_TGL_DTT,
 	PCI_DEVICE_ID_INTEL_JSL_DTT,
+	PCI_DEVICE_ID_INTEL_ADL_DTT,
+	0
 };
 
 static struct device_operations dptf_dev_ops = {