ipq40xx-generic: add support for EnGenius ENS620EXT

docs/user/supported_devices.rst

@@ -223,6 +223,10 @@ ipq40xx-generic
   - FRITZ!Box 4040 [#avmflash]_
   - FRITZ!Repeater 1200 [#eva_ramboot]_
 
+* EnGenius
+
+  - ENS620EXT
+
 * GL.iNet
 
   - GL-B1300

package/gluon-core/luasrc/usr/lib/lua/gluon/platform.lua

@@ -47,6 +47,9 @@ function M.is_outdoor_device()
 
 	elseif M.match('ath79', 'generic', {'devolo,dvl1750x'}) then
 		return true
+
+	elseif M.match('ipq40xx', 'generic', {'engenius,ens620ext'}) then
+		return true
 	end
 
 	return false

targets/ipq40xx-generic

@@ -43,6 +43,17 @@ device('avm-fritz-repeater-1200', 'avm_fritzrepeater-1200', {
 })
 
 
+-- EnGenius
+
+device('engenius-ens620ext', 'engenius_ens620ext', {
+	factory = false,
+	extra_images = {
+		{'-squashfs-factory_30', '-factory_fw30', '.bin'},
+		{'-squashfs-factory_35', '-factory_fw35', '.bin'},
+	},
+})
+
+
 -- GL.iNet
 
 device('gl.inet-gl-b1300', 'glinet_gl-b1300', {