imx: ventana: update MMC env configuration

We will use the same env size and redundancy used for NAND env for MMC.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

include/configs/gw_ventana.h

@@ -327,9 +327,10 @@
 #define CONFIG_ENV_IS_IN_NAND
 #endif
 #if defined(CONFIG_ENV_IS_IN_MMC)
-  #define CONFIG_ENV_OFFSET              (384 * SZ_1K)
-  #define CONFIG_ENV_SIZE                (8 * SZ_1K)
   #define CONFIG_SYS_MMC_ENV_DEV         0
+  #define CONFIG_ENV_OFFSET              (709 * SZ_1K)
+  #define CONFIG_ENV_SIZE                (128 * SZ_1K)
+  #define CONFIG_ENV_OFFSET_REDUND       (CONFIG_ENV_OFFSET + (128 * SZ_1K))
 #elif defined(CONFIG_ENV_IS_IN_NAND)
   #define CONFIG_ENV_OFFSET              (16 * SZ_1M)
   #define CONFIG_ENV_SECT_SIZE           (128 * SZ_1K)