[packages] asterisk-11.x: add new package

LTS version of Asterisk has been recently released. This package is a
bleeding-edge alternative to existing asterisk-1.8.x package.

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
Signed-off-by: Daniel Golle <dgolle@allnet.de>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@35540 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/asterisk-11.x/patches/010-asterisk-configure-undef-res-ninit.patch

@@ -0,0 +1,12 @@
+--- a/configure
++++ b/configure
+@@ -24043,9 +24043,6 @@ $as_echo "$ac_try_echo") >&5
+   { $as_echo "$as_me:$LINENO: result: yes" >&5
+ $as_echo "yes" >&6; }
+ 
+-cat >>confdefs.h <<\_ACEOF
+-#define HAVE_RES_NINIT 1
+-_ACEOF
+ 
+ 	{ $as_echo "$as_me:$LINENO: checking for library containing res_9_ndestroy" >&5
+ $as_echo_n "checking for library containing res_9_ndestroy... " >&6; }