b43legacy: add firmware information to modinfo

This adds the firmware ID to modinfo.

The patch by Michael Buesch has been ported to b43legacy.
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43legacy/main.c

@@ -60,6 +60,8 @@ MODULE_AUTHOR("Stefano Brivio");
 MODULE_AUTHOR("Michael Buesch");
 MODULE_LICENSE("GPL");
 
+MODULE_FIRMWARE(B43legacy_SUPPORTED_FIRMWARE_ID);
+
 #if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO)
 static int modparam_pio;
 module_param_named(pio, modparam_pio, int, 0444);