luafilesystem: add license info

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

package/luafilesystem/luafilesystem.mk

@@ -7,6 +7,7 @@
 LUAFILESYSTEM_VERSION = 1.5.0
 LUAFILESYSTEM_SITE = http://github.com/downloads/keplerproject/luafilesystem
 LUAFILESYSTEM_DEPENDENCIES = lua
+LUAFILESYSTEM_LICENSE = MIT
 
 ifeq ($(BR2_LARGEFILE),y)
 LFS_CFLAGS = -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE