lzo: define license

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/lzo/lzo.mk

@@ -5,6 +5,8 @@
 #############################################################
 LZO_VERSION = 2.06
 LZO_SITE = http://www.oberhumer.com/opensource/lzo/download
+LZO_LICENSE = GPLv2+
+LZO_LICENSE_FILES = COPYING
 LZO_INSTALL_STAGING = YES
 
 $(eval $(call AUTOTARGETS))