[media] xc4000: code cleanup

This is the first of a set of patches that update the original xc4000
sources to my modified version. It removes some unused code, and makes
a few minor formatting changes.

[mchehab@redhat.com: re-add XC_TUNE_ANALOG/XC_TUNE_DIGITAL constants, to avoid compilation breakage]
Signed-off-by: Istvan Varga <istvan_v@mailbox.hu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/common/tuners/xc4000.h

@@ -28,8 +28,8 @@ struct dvb_frontend;
 struct i2c_adapter;
 
 struct xc4000_config {
-	u8   i2c_address;
-	u32  if_khz;
+	u8	i2c_address;
+	u32	if_khz;
 };
 
 /* xc4000 callback command */