AGESA binaryPI: Fix and optimize for MAX_NODES_NUM

With nodeid<8, CONFIG_CDB==0x18, PCI device number does
not overflow. CONFIG_CDB is not a value we can configure.

Change-Id: I23e9707a8ec12dcd80c00688d6237d085d1abf36
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/26437
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
diff --git a/src/northbridge/amd/agesa/family14/northbridge.c b/src/northbridge/amd/agesa/family14/northbridge.c
index d26695c..ea21c69 100644
--- a/src/northbridge/amd/agesa/family14/northbridge.c
+++ b/src/northbridge/amd/agesa/family14/northbridge.c
@@ -46,11 +46,7 @@
 
 static struct device *get_node_pci(u32 nodeid, u32 fn)
 {
-	if ((CONFIG_CDB + nodeid) < 32) {
-		return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn));
-	} else {
-		return dev_find_slot(CONFIG_CBB-1, PCI_DEVFN(CONFIG_CDB + nodeid - 32, fn));
-	}
+	return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn));
 }
 
 static void get_fx_devs(void)