configs: imx8mm/n_venice: drop unused SDHC macro

With SPL_DM_MMC and DM_MMC, the two macros not needed, drop it.
 CONFIG_SYS_FSL_USDHC_NUM
 CONFIG_SYS_FSL_ESDHC_ADDR

Reviewed-by: Fabio Estevam <festevam@denx.de>
Acked-By: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/include/configs/imx8mm_venice.h b/include/configs/imx8mm_venice.h
index c8ac788..1b26e02 100644
--- a/include/configs/imx8mm_venice.h
+++ b/include/configs/imx8mm_venice.h
@@ -111,10 +111,6 @@
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
 
-/* USDHC */
-#define CONFIG_SYS_FSL_USDHC_NUM	2
-#define CONFIG_SYS_FSL_ESDHC_ADDR	0
-
 /* FEC */
 #define CONFIG_FEC_MXC_PHYADDR          0
 #define FEC_QUIRK_ENET_MAC
diff --git a/include/configs/imx8mn_venice.h b/include/configs/imx8mn_venice.h
index 301dbb4..a482677 100644
--- a/include/configs/imx8mn_venice.h
+++ b/include/configs/imx8mn_venice.h
@@ -106,9 +106,6 @@
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
-/* USDHC */
-#define CONFIG_SYS_FSL_USDHC_NUM	2
-#define CONFIG_SYS_FSL_ESDHC_ADDR	0
 
 /* FEC */
 #define CONFIG_FEC_MXC_PHYADDR          0