usb: gadget: fusb300_udc.h: Fix typo in include guard

Clearly this was meant to be an include guard, but a trailing
underscore was missing. It has been this way since the file was
introduced in 0fe6f1d ("usb: udc: add Faraday fusb300 driver").

Fixes: 0fe6f1d ("usb: udc: add Faraday fusb300 driver")
Cc: <[email protected]>
Signed-off-by: Rasmus Villemoes <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>

Author: Villemoes

drivers/usb/gadget/udc/fusb300_udc.h

@@ -12,7 +12,7 @@
 
 
 #ifndef __FUSB300_UDC_H__
-#define __FUSB300_UDC_H_
+#define __FUSB300_UDC_H__
 
 #include <linux/kernel.h>