[package] ppp: honour option auto in atm hotplug

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23531 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/ppp/files/etc/hotplug.d/atm/20-atm-modem

@@ -10,10 +10,13 @@ if [ "$ACTION" = "add" ]; then
 		local up
 		config_get_bool up "$ifc" up 0
 
+		local auto
+		config_get_bool auto "$ifc" auto 1
+
 		local proto
 		config_get proto "$ifc" proto
 
-		if [ "$proto" = "pppoa" ] && [ "$up" != 1 ]; then
+		if [ "$proto" = "pppoa" ] && [ "$up" != 1 ] && [ "$auto" = 1 ]; then
 			found=1
 			( sleep 1; ifup "$ifc" ) &
 		fi