cfi_flash: Remove return from void function

void functions don't need an explicit return at the end.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>

drivers/mtd/cfi_flash.c

@@ -1280,7 +1280,6 @@ void flash_print_info(flash_info_t *info)
 #endif
 	}
 	putc('\n');
-	return;
 }
 
 /*-----------------------------------------------------------------------