listing modules fixed

Modules were not listed because code relied only on deprecated 'install'
and 'installkernel' scripts. Check for 'module-setup.sh' script was
added.

dracut

@@ -231,7 +231,8 @@ dinfo "Executing $0 $dracut_args"
 [[ $do_list = yes ]] && {
     for mod in $dracutbasedir/modules.d/*; do
         [[ -d $mod ]] || continue;
-        [[ -e $mod/install || -e $mod/installkernel ]] || continue;
+        [[ -e $mod/install || -e $mod/installkernel || \
+            -e $mod/module-setup.sh ]] || continue
         echo ${mod##*/??}
     done
     exit 0