device/device_util: Add and use is_pci_bridge()

TEST=Build and boot on intel/archercity CRB

Change-Id: Ied4921f7dc7e144e580d05d4f2262777aa59d895
Signed-off-by: Shuo Liu <shuo.liu@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81566
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/xeon_sp/uncore_acpi.c b/src/soc/intel/xeon_sp/uncore_acpi.c
index 95f1492..6b6363d 100644
--- a/src/soc/intel/xeon_sp/uncore_acpi.c
+++ b/src/soc/intel/xeon_sp/uncore_acpi.c
@@ -317,7 +317,7 @@
 		const struct device *domain = dev_get_domain(iommu);
 		struct device *dev = NULL;
 		while ((dev = dev_bus_each_child(domain->downstream, dev)))
-			if ((dev->hdr_type & 0x7f) == PCI_HEADER_TYPE_BRIDGE)
+			if (is_pci_bridge(dev))
 				current +=
 				acpi_create_dmar_ds_pci_br_for_port(
 				current, dev, pcie_seg, false, NULL);
@@ -421,7 +421,7 @@
 				continue;
 
 			for (child = dev->upstream->children; child; child = child->sibling) {
-				if ((child->hdr_type & 0x7f) != PCI_HEADER_TYPE_BRIDGE)
+				if (!is_pci_bridge(child))
 					continue;
 				current +=
 					acpi_create_dmar_ds_pci_br_for_port(