typhoon: replace users of __constant_{endian}

The base versions handle constant folding just fine, use them
directly.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: David Dillow <dave@thedillows.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/typhoon.c

@@ -1944,7 +1944,7 @@ typhoon_start_runtime(struct typhoon *tp)
 		goto error_out;
 
 	INIT_COMMAND_NO_RESPONSE(&xp_cmd, TYPHOON_CMD_VLAN_TYPE_WRITE);
-	xp_cmd.parm1 = __constant_cpu_to_le16(ETH_P_8021Q);
+	xp_cmd.parm1 = cpu_to_le16(ETH_P_8021Q);
 	err = typhoon_issue_command(tp, 1, &xp_cmd, 0, NULL);
 	if(err < 0)
 		goto error_out;