package/kodi-screensaver-asterwave: add license information

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/kodi-screensaver-asterwave/kodi-screensaver-asterwave.hash

@@ -1,2 +1,3 @@
 # Locally computed
 sha256 44fb4189afefec6ab5cff04d205425bed26b127c02625ae176b409cb67207e5f  kodi-screensaver-asterwave-3.0.4-Leia.tar.gz
+sha256 a0268e081014f3a555be39f7eb0fff759424963324915ad2ea56bf26668685e7  debian/copyright

package/kodi-screensaver-asterwave/kodi-screensaver-asterwave.mk

@@ -6,6 +6,8 @@
 
 KODI_SCREENSAVER_ASTERWAVE_VERSION = 3.0.4-Leia
 KODI_SCREENSAVER_ASTERWAVE_SITE = $(call github,xbmc,screensaver.asterwave,$(KODI_SCREENSAVER_ASTERWAVE_VERSION))
+KODI_SCREENSAVER_ASTERWAVE_LICENSE = GPL-2.0+
+KODI_SCREENSAVER_ASTERWAVE_LICENSE_FILES = debian/copyright
 KODI_SCREENSAVER_ASTERWAVE_DEPENDENCIES = kodi libglu libsoil
 
 $(eval $(cmake-package))