linux-fusion: add license information

[Peter: license is GPLv2+]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/linux-fusion/linux-fusion.mk

@@ -8,6 +8,8 @@ LINUX_FUSION_VERSION = 9.0.2
 LINUX_FUSION_SITE = http://directfb.org/downloads/Core/linux-fusion
 LINUX_FUSION_INSTALL_STAGING = YES
 LINUX_FUSION_DEPENDENCIES = linux
+LINUX_FUSION_LICENSE = GPLv2+
+LINUX_FUSION_LICENSE_FILES = debian/copyright
 
 LINUX_FOR_FUSION=$(LINUX_VERSION_PROBED)
 LINUX_FUSION_ETC_DIR=$(TARGET_DIR)/etc/udev/rules.d