private-wifi: rename ifname to wl-wanX (#3294)

Rename this to avoid a potential collision with wired ethernet interfaces using the same name

package/gluon-private-wifi/luasrc/lib/gluon/upgrade/325-gluon-private-wifi

@@ -12,7 +12,7 @@ wireless.foreach_radio(uci, function(radio)
 		return
 	end
 
-	uci:set('wireless', name, 'ifname', suffix and 'wan' .. suffix)
+	uci:set('wireless', name, 'ifname', suffix and 'wl-wan' .. suffix)
 end)
 
 uci:save('wireless')

package/gluon-web-private-wifi/luasrc/lib/gluon/config-mode/model/admin/privatewifi.lua

@@ -81,7 +81,7 @@ function f:write()
 				ssid       = ssid.data,
 				key        = key.data,
 				macaddr    = macaddr,
-				ifname     = suffix and 'wan' .. suffix,
+				ifname     = suffix and 'wl-wan' .. suffix,
 				disabled   = false,
 			})