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>

drivers/media/tuners/mt2063.c

@@ -1168,7 +1168,7 @@ static u32 mt2063_set_dnc_output_enable(struct mt2063_state *state,
 
 /*
  * MT2063_SetReceiverMode() - Set the MT2063 receiver mode, according with
- * 			      the selected enum mt2063_delivery_sys type.
+ *			      the selected enum mt2063_delivery_sys type.
  *
  *  (DNC1GC & DNC2GC are the values, which are used, when the specific
  *   DNC Output is selected, the other is always off)
@@ -1544,7 +1544,7 @@ static u32 MT2063_Tune(struct mt2063_state *state, u32 f_in)
 	 * Save original LO1 and LO2 register values
 	 */
 	ofLO1 = state->AS_Data.f_LO1;
-	ofLO2 = state->AS_Data.f_LO2; 
+	ofLO2 = state->AS_Data.f_LO2;
 
 	/*
 	 * Find and set RF Band setting

drivers/media/tuners/si2157.c

@@ -532,7 +532,7 @@ MODULE_DEVICE_TABLE(i2c, si2157_id_table);
 
 static struct i2c_driver si2157_driver = {
 	.driver = {
-		.name	             = "si2157",
+		.name		     = "si2157",
 		.suppress_bind_attrs = true,
 	},
 	.probe		= si2157_probe,

drivers/media/tuners/tuner-i2c.h

@@ -75,7 +75,7 @@ static inline int tuner_i2c_xfer_send_recv(struct tuner_i2c_props *props,
  *
  * state structure must contain the following:
  *
- * 	struct list_head	hybrid_tuner_instance_list;
+ *	struct list_head	hybrid_tuner_instance_list;
  *	struct tuner_i2c_props	i2c_props;
  *
  * hybrid_tuner_instance_list (both within state structure and globally)