net: replace uses of __constant_{endian}

Base versions handle constant folding now.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ax25/af_ax25.c

@@ -1986,7 +1986,7 @@ static const struct proto_ops ax25_proto_ops = {
  *	Called by socket.c on kernel start up
  */
 static struct packet_type ax25_packet_type = {
-	.type	=	__constant_htons(ETH_P_AX25),
+	.type	=	cpu_to_be16(ETH_P_AX25),
 	.dev	=	NULL,				/* All devices */
 	.func	=	ax25_kiss_rcv,
 };