fbdev: metronomefb: Add MODULE_FIRMWARE macro

The module loads firmware so add a MODULE_FIRMWARE macro to provide that
information via modinfo.
Signed-off-by: Juerg Haefliger <juerg.haefliger@canonical.com>
Signed-off-by: Helge Deller <deller@gmx.de>

drivers/video/fbdev/metronomefb.c

@@ -778,3 +778,5 @@ MODULE_PARM_DESC(user_wfm_size, "Set custom waveform size");
 MODULE_DESCRIPTION("fbdev driver for Metronome controller");
 MODULE_AUTHOR("Jaya Kumar");
 MODULE_LICENSE("GPL");
+
+MODULE_FIRMWARE("metronome.wbf");