configs: am65x: Add configs to support environment in eMMC

Add configs such that U-boot environment is in eMMC by default.
Signed-off-by: NFaiz Abbas <faiz_abbas@ti.com>

configs/am65x_evm_a53_defconfig

@@ -41,9 +41,7 @@ CONFIG_SPL_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="k3-am654-base-board"
 CONFIG_SPL_MULTI_DTB_FIT=y
 CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
-CONFIG_ENV_IS_IN_FAT=y
-CONFIG_ENV_FAT_INTERFACE="mmc"
-CONFIG_ENV_FAT_DEVICE_AND_PART="1:1"
+CONFIG_ENV_IS_IN_MMC=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
 CONFIG_SPL_DM=y
@@ -82,3 +80,4 @@ CONFIG_SOC_TI=y
 CONFIG_SYSRESET=y
 CONFIG_SPL_SYSRESET=y
 CONFIG_SYSRESET_TI_SCI=y
+CONFIG_FAT_WRITE=y

include/configs/am65x_evm.h

@@ -68,6 +68,16 @@
 	EXTRA_ENV_AM65X_BOARD_SETTINGS					\
 	EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC
 
+/* MMC ENV related defines */
+#ifdef CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#define CONFIG_SYS_MMC_ENV_PART	1
+#define CONFIG_ENV_SIZE		(128 << 10)
+#define CONFIG_ENV_OFFSET		0x680000
+#define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#endif
+
 /* Now for the remaining common defines */
 #include <configs/ti_armv7_common.h>