luci-mod-network: only consider bridge vlans belonging to the current device

In case multiple bridges with bridge vlans are declared, LuCI did not
correctly filter the VLANs to show only the ones belonging to the
bridge being configured currently.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit f6f1eacb01)

modules/luci-mod-network/htdocs/luci-static/resources/tools/network.js

@@ -968,6 +968,9 @@ return baseclass.extend({
 		});
 
 		uci.sections('network', 'bridge-vlan', function(bvs) {
+			if (uci.get('network', s.section, 'name') != bvs.device)
+				return;
+
 			L.toArray(bvs.ports).forEach(function(portspec) {
 				var m = portspec.match(/^([^:]+)(?::[ut*]+)?$/);