[media] xc4000: make checkpatch.pl happy

Solve the ./scripts/checkpatch.pl compliants for the patches
that added xc4000 support, including a few changes at dib0700.

While here, remove a few printk noise by converting some msgs
into debug ones.

Cc: Istvan Varga <istvan_v@mailbox.hu>
Cc: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/common/tuners/xc4000.h

@@ -50,8 +50,7 @@ struct xc4000_config {
  * it's passed back to a bridge during tuner_callback().
  */
 
-#if defined(CONFIG_MEDIA_TUNER_XC4000) || \
-    (defined(CONFIG_MEDIA_TUNER_XC4000_MODULE) && defined(MODULE))
+#if defined(CONFIG_MEDIA_TUNER_XC4000) || (defined(CONFIG_MEDIA_TUNER_XC4000_MODULE) && defined(MODULE))
 extern struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
 					  struct i2c_adapter *i2c,
 					  struct xc4000_config *cfg);

drivers/media/dvb/dvb-usb/dib0700_devices.c

@@ -2794,7 +2794,7 @@ static int xc4000_tuner_attach(struct dvb_usb_adapter *adap)
 	tun_i2c = dib7000p_get_i2c_master(adap->fe,
 					  DIBX000_I2C_INTERFACE_TUNER, 1);
 	if (tun_i2c == NULL) {
-		printk("Could not reach tuner i2c bus\n");
+		printk(KERN_ERR "Could not reach tuner i2c bus\n");
 		return 0;
 	}