libertas: always show firmware release

Always shows the firmware release.

Also converts the firmware release into something that is easily comparable.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index be325ed..d35b015 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -136,8 +136,8 @@
 	/* Number of antenna used */
 	__le16 nr_antenna;
 
-	/* FW release number, example 1,2,3,4 = 3.2.1p4 */
-	u8 fwreleasenumber[4];
+	/* FW release number, example 0x01030304 = 2.3.4p1 */
+	__le32 fwrelease;
 
 	/* Base Address of TxPD queue */
 	__le32 wcb_base;