net: wireless: wl3501_cs: Remove duplicate include

linux/etherdevice.h was included twice.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/wl3501_cs.c

@@ -43,7 +43,6 @@
 #include <linux/string.h>
 #include <linux/wireless.h>
 #include <linux/ieee80211.h>
-#include <linux/etherdevice.h>
 
 #include <net/iw_handler.h>