staging/gdm72xx: gdm_usb coding style clean up

gdm_usb.* coding style clean up.
Signed-off-by: Macpaul Lin <macpaul@gmail.com>
Cc: Paul Stewart <pstew@chromium.org>
Cc: Ben Chan <benchan@chromium.org>
Cc: Sage Ahn <syahn@gctsemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gdm72xx/gdm_usb.h

@@ -18,7 +18,7 @@
 #include <linux/usb.h>
 #include <linux/list.h>
 
-#define B_DIFF_DL_DRV		(1<<4)
+#define B_DIFF_DL_DRV		(1 << 4)
 #define B_DOWNLOAD		(1 << 5)
 #define MAX_NR_SDU_BUF		64