nb/amd/pi/00730F01/iommu: call pci_dev_set_resources directly

There is no need to have the iommu_set_resources function which only
calls pci_dev_set_resources, so assign pci_dev_set_resources directly to
the set_resources function pointer field in the iommu_ops struct.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I59c20e61a36fcc11b59d786139b4745ff662e560
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61632
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
diff --git a/src/northbridge/amd/pi/00730F01/iommu.c b/src/northbridge/amd/pi/00730F01/iommu.c
index c79ddb5..2de53d0 100644
--- a/src/northbridge/amd/pi/00730F01/iommu.c
+++ b/src/northbridge/amd/pi/00730F01/iommu.c
@@ -21,14 +21,9 @@
 	res->flags = IORESOURCE_MEM;
 }
 
-static void iommu_set_resources(struct device *dev)
-{
-	pci_dev_set_resources(dev);
-}
-
 static struct device_operations iommu_ops = {
 	.read_resources = iommu_read_resources,
-	.set_resources = iommu_set_resources,
+	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.ops_pci = &pci_dev_ops_pci,
 };