[media] Staging/media: Use dev_ printks in go7007/wis-tw9903.c

fixed below checkpatch warning.
- WARNING: Prefer netdev_dbg(netdev, ... then dev_dbg(dev, ... then pr_debug(...  to printk(KERN_DEBUG ...
- WARNING: Prefer netdev_err(netdev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...
Signed-off-by: YAMANE Toshiaki <yamanetoshi@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/media/go7007/wis-tw9903.c

@@ -127,7 +127,7 @@ static int wis_tw9903_command(struct i2c_client *client,
 			0x06, 0xc0, /* reset device */
 			0,	0,
 		};
-		printk(KERN_DEBUG "vscale is %04x, hscale is %04x\n",
+		dev_dbg(&client->dev, "vscale is %04x, hscale is %04x\n",
 			vscale, hscale);
 		/*write_regs(client, regs);*/
 		break;
@@ -287,12 +287,11 @@ static int wis_tw9903_probe(struct i2c_client *client,
 	dec->hue = 0;
 	i2c_set_clientdata(client, dec);
 
-	printk(KERN_DEBUG
-		"wis-tw9903: initializing TW9903 at address %d on %s\n",
+	dev_dbg(&client->dev, "initializing TW9903 at address %d on %s\n",
 		client->addr, adapter->name);
 
 	if (write_regs(client, initial_registers) < 0) {
-		printk(KERN_ERR "wis-tw9903: error initializing TW9903\n");
+		dev_err(&client->dev, "error initializing TW9903\n");
 		kfree(dec);
 		return -ENODEV;
 	}