mmc: Fix mmc_spi error on cmd->flags field

The recent removal of the cmd->flags field caused error in the
debuging code of mmc_spi. Fix this:

mmc_spi.c: In function 'mmc_spi_request':
mmc_spi.c:179:2: error: 'struct mmc_cmd' has no member named 'flags'

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andy Fleming <afleming@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

drivers/mmc/mmc_spi.c

@@ -176,8 +176,8 @@ static int mmc_spi_request(struct mmc *mmc, struct mmc_cmd *cmd,
 	u8 r1;
 	int i;
 	int ret = 0;
-	debug("%s:cmd%d %x %x %x\n", __func__,
-	      cmd->cmdidx, cmd->resp_type, cmd->cmdarg, cmd->flags);
+	debug("%s:cmd%d %x %x\n", __func__,
+	      cmd->cmdidx, cmd->resp_type, cmd->cmdarg);
 	spi_claim_bus(spi);
 	spi_cs_activate(spi);
 	r1 = mmc_spi_sendcmd(mmc, cmd->cmdidx, cmd->cmdarg);