northbridge/amd/agesa/family1{2,4}: make get_node_pci() static

Function is local only, as is with other families also.

Change-Id: I1f652be1763a319b2f1c9b0f53e76d6bc44f3450
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7530
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
diff --git a/src/northbridge/amd/agesa/family14/northbridge.c b/src/northbridge/amd/agesa/family14/northbridge.c
index 8384c98..00294b2 100644
--- a/src/northbridge/amd/agesa/family14/northbridge.c
+++ b/src/northbridge/amd/agesa/family14/northbridge.c
@@ -50,7 +50,7 @@
 static device_t __f4_dev[FX_DEVS];
 static unsigned fx_devs = 0;
 
-device_t get_node_pci(u32 nodeid, u32 fn)
+static device_t get_node_pci(u32 nodeid, u32 fn)
 {
 	if ((CONFIG_CDB + nodeid) < 32) {
 		return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn));