crypto: talitos - convert to use be16_add_cpu()

Convert cpu_to_be16(be16_to_cpu(E1) + E2) to use be16_add_cpu().

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/talitos.c

@@ -936,8 +936,7 @@ static int sg_to_link_tbl(struct scatterlist *sg, int sg_count,
 		sg_count--;
 		link_tbl_ptr--;
 	}
-	link_tbl_ptr->len = cpu_to_be16(be16_to_cpu(link_tbl_ptr->len)
-					+ cryptlen);
+	be16_add_cpu(&link_tbl_ptr->len, cryptlen);
 
 	/* tag end of link table */
 	link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN;