mmc: fsl_esdhc_imx: remove redundant DM_MMC checking

[ fsl_esdhc commit 2913926f3b3dec282f8773e3c02377c9600d8267 ]

Remove redundant DM_MMC checking which is already in DM_MMC conditional
compile block.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
1 file changed