rampis-mt7621: add support for Netgear WAC104 (#2557)

Co-authored-by: Maximilian Baumgartner <aufhaxer@googlemail.com>

docs/user/supported_devices.rst

@@ -300,6 +300,7 @@ ramips-mt7621
 
   - EX6150 (v1)
   - R6220
+  - WAC104
 
 * TP-Link
 

package/gluon-core/luasrc/lib/gluon/upgrade/020-interfaces

@@ -67,6 +67,10 @@ elseif platform.match('lantiq') then
 			break
 		end
 	end
+elseif platform.match('ramips', 'mt7621', {
+	'netgear,wac104',
+}) then
+	lan_ifname, wan_ifname = 'lan2 lan3 lan4', 'lan1'
 end
 
 if wan_ifname and lan_ifname then

targets/ramips-mt7621

@@ -20,6 +20,10 @@ device('netgear-r6220', 'netgear_r6220', {
 	factory_ext = '.img',
 })
 
+device('netgear-wac104', 'netgear_wac104', {
+	factory_ext = '.img',
+})
+
 device('netgear-wndr3700-v5', 'netgear_wndr3700-v5', {
 	factory = false,
 	broken = true, -- untested