[media] media: dvb_core: replace a magic number by a macro

It's better to use TS_SC instead of magic number 0xC0.

[m.chehab@samsung.com: patch rebased and message rewritten, as this
 patch conflicted with an already applied patch]
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/dvb-core/dvb_net.c

@@ -381,7 +381,7 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
 				printk(KERN_WARNING "%lu: Invalid TS cell: SYNC %#x, TEI %u, SC %#x.\n",
 				       priv->ts_count, ts[0],
 				       (ts[1] & TS_TEI) >> 7,
-				       (ts[3] & 0xC0) >> 6);
+				       (ts[3] & TS_SC) >> 6);
 
 				/* Drop partly decoded SNDU, reset state, resync on PUSI. */
 				if (priv->ule_skb) {