luasocket: add license info

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/luasocket/luasocket.mk

@@ -7,6 +7,8 @@
 LUASOCKET_VERSION = 2.0.2
 LUASOCKET_SITE = http://luaforge.net/frs/download.php/2664
 LUASOCKET_DEPENDENCIES = lua
+LUASOCKET_LICENSE = MIT
+LUASOCKET_LICENSE_FILES = LICENSE
 
 define LUASOCKET_BUILD_CMDS
 	$(MAKE) -C $(@D) -f makefile \