soc/intel/broadwell: Add int to unsigned

Fix the following issue detected by checkpatch:

WARNING: Prefer 'unsigned int' to bare use of 'unsigned'

TEST=None

Change-Id: Iae22e724b6adae16248db7dc8f822f65bfadae5f
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18873
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
diff --git a/src/soc/intel/broadwell/pcie.c b/src/soc/intel/broadwell/pcie.c
index c3d9e13..3fb60e8 100644
--- a/src/soc/intel/broadwell/pcie.c
+++ b/src/soc/intel/broadwell/pcie.c
@@ -186,7 +186,7 @@
 static void pch_pcie_device_set_func(int index, int pci_func)
 {
 	device_t dev;
-	unsigned new_devfn;
+	unsigned int new_devfn;
 
 	dev = rpc.ports[index];
 
@@ -638,7 +638,8 @@
 		root_port_commit_config();
 }
 
-static void pcie_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+static void pcie_set_subsystem(device_t dev, unsigned int vendor,
+	unsigned int device)
 {
 	/* NOTE: This is not the default position! */
 	if (!vendor || !device)