mx7ulp_evk: Remove unneeded SDHC definitions

As we use the driver model for ESDHC there is no need
for defining CONFIG_SYS_FSL_USDHC_NUM and CONFIG_SYS_FSL_ESDHC_ADDR,
so simply remove them.
Signed-off-by: NFabio Estevam <festevam@gmail.com>
Reviewed-by: NPeng Fan <peng.fan@nxp.com>

include/configs/mx7ulp_evk.h

@@ -18,9 +18,6 @@
 #define IRAM_BASE_ADDR			OCRAM_0_BASE
 #define IOMUXC_BASE_ADDR		IOMUXC1_RBASE
 
-#define CONFIG_SYS_FSL_USDHC_NUM        1
-
-#define CONFIG_SYS_FSL_ESDHC_ADDR       0
 #define CONFIG_SYS_MMC_ENV_DEV          0	/* USDHC1 */
 #define CONFIG_SYS_MMC_ENV_PART         0	/* user area */
 #define CONFIG_MMCROOT                  "/dev/mmcblk0p2"  /* USDHC1 */