Add -[-no]-hostonly-cmdline option handling for getopt

commit ab9457e introduce such new options but it missed to add these
options to getopt arguments.

Signed-off-by: WANG Chao <chaowang@redhat.com>

dracut.sh

@@ -347,6 +347,8 @@ TEMP=$(unset POSIXLY_CORRECT; getopt \
     --long host-only \
     --long no-hostonly \
     --long no-host-only \
+    --long hostonly-cmdline \
+    --long no-hostonly-cmdline \
     --long persistent-policy: \
     --long fstab \
     --long help \