rampis: add support for status led on ASUS RT-N14U

The diag.sh script lacked an entry for the status led on the RT-N14U,
map it to the asus:blue:power led which is also used by the boot loader
to report boot status (eg. TFTP recovery mode VS normal boot)

Signed-off-by: Matteo Panella <m.panella@level28.org>

SVN-Revision: 45725

target/linux/ramips/base-files/etc/diag.sh

@@ -132,7 +132,7 @@ get_status_led() {
 	rt-n10-plus)
 		status_led="asus:green:wps"
 		;;
-	rt-n56u | wl-330n | wl-330n3g)
+	rt-n14u | rt-n56u | wl-330n | wl-330n3g)
 		status_led="asus:blue:power"
 		;;
 	rut5xx)