freerdp: add licensing info

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/freerdp/freerdp.mk

@@ -6,9 +6,10 @@
 
 FREERDP_VERSION = 1.0.1
 FREERDP_SITE = https://github.com/downloads/FreeRDP/FreeRDP
-
 FREERDP_DEPENDENCIES = openssl zlib \
 	xlib_libX11 xlib_libXt xlib_libXext xlib_libXcursor
+FREERDP_LICENSE = Apache 2.0
+FREEDRP_LICENSE_FILES = LICENSE
 
 ifeq ($(BR2_PACKAGE_CUPS),y)
 FREERDP_CONF_OPT += -DWITH_CUPS=ON