UIO: fix up inapposite whiteplace in uio head file

Whitespace is used in the inapposite place,
which makes checkpatch complain.
Signed-off-by: Qiang Su <suqiang4@huawei.com>
Link: https://lore.kernel.org/r/20200306070359.71398-1-suqiang4@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/uio_driver.h

@@ -24,10 +24,10 @@ struct uio_map;
  * struct uio_mem - description of a UIO memory region
  * @name:		name of the memory region for identification
  * @addr:               address of the device's memory rounded to page
- * 			size (phys_addr is used since addr can be
- * 			logical, virtual, or physical & phys_addr_t
- * 			should always be large enough to handle any of
- * 			the address types)
+ *			size (phys_addr is used since addr can be
+ *			logical, virtual, or physical & phys_addr_t
+ *			should always be large enough to handle any of
+ *			the address types)
  * @offs:               offset of device memory within the page
  * @size:		size of IO (multiple of page size)
  * @memtype:		type of memory addr points to
@@ -67,16 +67,16 @@ struct uio_port {
 #define MAX_UIO_PORT_REGIONS	5
 
 struct uio_device {
-        struct module           *owner;
+	struct module           *owner;
 	struct device		dev;
-        int                     minor;
-        atomic_t                event;
-        struct fasync_struct    *async_queue;
-        wait_queue_head_t       wait;
-        struct uio_info         *info;
+	int                     minor;
+	atomic_t                event;
+	struct fasync_struct    *async_queue;
+	wait_queue_head_t       wait;
+	struct uio_info         *info;
 	struct mutex		info_lock;
-        struct kobject          *map_dir;
-        struct kobject          *portio_dir;
+	struct kobject          *map_dir;
+	struct kobject          *portio_dir;
 };
 
 /**