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>
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index fd8acb4..b40e95f 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -100,11 +100,11 @@
  */
 static const struct sctp_paramhdr ecap_param = {
 	SCTP_PARAM_ECN_CAPABLE,
-	__constant_htons(sizeof(struct sctp_paramhdr)),
+	cpu_to_be16(sizeof(struct sctp_paramhdr)),
 };
 static const struct sctp_paramhdr prsctp_param = {
 	SCTP_PARAM_FWD_TSN_SUPPORT,
-	__constant_htons(sizeof(struct sctp_paramhdr)),
+	cpu_to_be16(sizeof(struct sctp_paramhdr)),
 };
 
 /* A helper to initialize to initialize an op error inside a