net: sctp: Fix some typos

Modify "unkown" to "unknown" in net/sctp/sm_make_chunk.c and
Modify "orginal" to "original" in net/sctp/socket.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/sctp/sm_make_chunk.c

@@ -3217,7 +3217,7 @@ bool sctp_verify_asconf(const struct sctp_association *asoc,
 				return false;
 			break;
 		default:
-			/* This is unkown to us, reject! */
+			/* This is unknown to us, reject! */
 			return false;
 		}
 	}

net/sctp/socket.c

@@ -9327,7 +9327,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
 	if (newsk->sk_flags & SK_FLAGS_TIMESTAMP)
 		net_enable_timestamp();
 
-	/* Set newsk security attributes from orginal sk and connection
+	/* Set newsk security attributes from original sk and connection
 	 * security attribute from ep.
 	 */
 	security_sctp_sk_clone(ep, sk, newsk);