mmc: use common byte swap macros

Use the more generic byte swapping macros instead of the socket variants.
Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>

drivers/mmc/core/sd_ops.c

@@ -294,8 +294,8 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
 	if (data.error)
 		return data.error;
 
-	scr[0] = ntohl(scr[0]);
-	scr[1] = ntohl(scr[1]);
+	scr[0] = be32_to_cpu(scr[0]);
+	scr[1] = be32_to_cpu(scr[1]);
 
 	return 0;
 }