fbdev: broadsheetfb: 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/broadsheetfb.c

@@ -1223,3 +1223,5 @@ module_platform_driver(broadsheetfb_driver);
 MODULE_DESCRIPTION("fbdev driver for Broadsheet controller");
 MODULE_AUTHOR("Jaya Kumar");
 MODULE_LICENSE("GPL");
+
+MODULE_FIRMWARE("broadsheet.wbf");