net: dsa: Fix a typo in tag_rtl4_a.c

Modify "Apparantly" to "Apparently" in net/dsa/tag_rtl4_a.c..
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/dsa/tag_rtl4_a.c

@@ -79,7 +79,7 @@ static struct sk_buff *rtl4a_tag_rcv(struct sk_buff *skb,
 
 	/* The RTL4 header has its own custom Ethertype 0x8899 and that
 	 * starts right at the beginning of the packet, after the src
-	 * ethernet addr. Apparantly skb->data always points 2 bytes in,
+	 * ethernet addr. Apparently skb->data always points 2 bytes in,
 	 * behind the Ethertype.
 	 */
 	tag = skb->data - 2;