[PATCH] libertas: let DRV_NAME be overridable

For now, it's "libertas" by default, but that is overwritten in
if_usb.c/if_bootcmd.c and in if_cs.c.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/if_usb.c

@@ -8,6 +8,8 @@
 #include <linux/list.h>
 #include <linux/usb.h>
 
+#define DRV_NAME "usb8xxx"
+
 #include "host.h"
 #include "decl.h"
 #include "defs.h"