Add support for Ubiquity Air Gateway

targets/ar71xx-generic/profiles.mk

@@ -139,6 +139,8 @@ endif
 
 ## Ubiquiti (everything)
 $(eval $(call GluonProfile,UBNT))
+$(eval $(call GluonModel,UBNT,ubnt-air-gateway,ubiquiti-airgateway))
+
 $(eval $(call GluonModel,UBNT,ubnt-bullet-m,ubiquiti-bullet-m))
 $(eval $(call GluonModel,UBNT,ubnt-bullet-m,ubiquiti-loco-m))
 $(eval $(call GluonModel,UBNT,ubnt-bullet-m,ubiquiti-picostation-m))