ipq40xx-generic: add alias for Aruba Instant On AP11

The Aruba Instant On AP11 is the Aruba AP-303 with a stripped-down
firmware. Add an alias for the device to remove confusion about the
different naming.

targets/ipq40xx-generic

@@ -25,6 +25,7 @@ defaults {
 
 device('aruba-ap-303', 'aruba_ap-303', {
 	factory = false,
+	aliases = {'aruba-instant-on-ap11'},
 })