mmc: dw_mmc: remove the MMC_DATA_STREAM flag

Remove the MMC_DATA_STREAM flag because it isn't used anymore.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/dw_mmc.c

@@ -290,8 +290,6 @@ static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd)
 	data = cmd->data;
 	if (data) {
 		cmdr |= SDMMC_CMD_DAT_EXP;
-		if (data->flags & MMC_DATA_STREAM)
-			cmdr |= SDMMC_CMD_STRM_MODE;
 		if (data->flags & MMC_DATA_WRITE)
 			cmdr |= SDMMC_CMD_DAT_WR;
 	}