media: fix usage of whitespaces and on indentation

On several places, whitespaces are being used for indentation,
or even at the end of the line.

Fix them.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index f420c45..7fc0bc6b 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -127,7 +127,7 @@ struct v4l2_subdev_ops;
  * @client_type:  name of the chip that's on the adapter.
  * @addr: I2C address. If zero, it will use @probe_addrs
  * @probe_addrs: array with a list of address. The last entry at such
- * 	array should be %I2C_CLIENT_END.
+ *	array should be %I2C_CLIENT_END.
  *
  * returns a &struct v4l2_subdev pointer.
  */
@@ -146,7 +146,7 @@ struct i2c_board_info;
  * @info: pointer to struct i2c_board_info used to replace the irq,
  *	 platform_data and addr arguments.
  * @probe_addrs: array with a list of address. The last entry at such
- * 	array should be %I2C_CLIENT_END.
+ *	array should be %I2C_CLIENT_END.
  *
  * returns a &struct v4l2_subdev pointer.
  */