brcm47xx: Fix switch config on 4716/53115 devices

Signed-off-by: Jonathan McCrohan <jmccrohan@gmail.com>

SVN-Revision: 35490

target/linux/brcm47xx/base-files/etc/init.d/netconfig

@@ -166,7 +166,7 @@ start() {
 		}
 
 		# generic broadcom 4716 processor with 53115 switch
-		if (nvram["boardtype"] == "0x04cf") {
+		if (tolower(nvram["boardtype"]) == "0x04cf") {
 			c["vlan0ports"] = "1 2 3 4 8*"
 			c["vlan1ports"] = "0 8"
 		}