config/functions: add get_module_dir()

Signed-off-by: Stephan Raue <stephan@openelec.tv>

config/functions

@@ -65,6 +65,11 @@ kernel_version() {
   echo ${PKG_VERSION}
 }
 
+# get kernel module dir
+get_module_dir() {
+  basename $(ls -d $(get_build_dir linux)/.install_pkg/lib/modules/*)
+}
+
 # get package's build dir
 get_build_dir() {
   if [ ! -z $1 ] ; then