mmc: fsl_esdhc: Convert to use livetree API for fdt access

Convert to using livetree API functions.

Without this if livetree is enabled (OF_LIVE) the fsl_esdhc_imx
driver will fail to read vendor-specific properties from the dt.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
1 file changed