mmc: fsl_esdhc_imx: use mmc_send_cmd instead of dm_mmc_send_cmd

Use mmc_send_cmd instead of dm_mmc_send_cmd.
It doesn't need to distinguish this function.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/include/mmc.h b/include/mmc.h
index 8600881..7f8ba2b 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -795,6 +795,7 @@
 int mmc_init_device(int num);
 int mmc_init(struct mmc *mmc);
 int mmc_send_tuning(struct mmc *mmc, u32 opcode, int *cmd_error);
+int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data);
 
 #if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \
     CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \