update defconfig for edgeboard

configs/edgeboard_defconfig

@@ -13,20 +13,18 @@ CONFIG_RISCV_SMODE=y
 CONFIG_FIT=y
 # CONFIG_FIT_ENABLE_SHA256_SUPPORT is not set
 # CONFIG_LEGACY_IMAGE_FORMAT is not set
+CONFIG_USE_BOOTCOMMAND=y
+CONFIG_BOOTCOMMAND="fatload mmc 0 0x40200000 Image; setenv fdt_high 0xffffffffffffffff; booti 0x40200000 - ${fdtcontroladdr}"
 CONFIG_DISPLAY_CPUINFO=y
 CONFIG_DISPLAY_BOARDINFO=y
 CONFIG_SYS_PROMPT="RocketChip> "
-# CONFIG_AUTOBOOT is not set
-CONFIG_CMD_BOOTZ=y
 # CONFIG_BOOTM_NETBSD is not set
 # CONFIG_BOOTM_PLAN9 is not set
 # CONFIG_BOOTM_RTEMS is not set
 # CONFIG_BOOTM_VXWORKS is not set
 # CONFIG_CMD_ELF is not set
 # CONFIG_CMD_EXPORTENV is not set
 # CONFIG_CMD_IMPORTENV is not set
-# CONFIG_CMD_EDITENV is not set
-# CONFIG_CMD_SAVEENV is not set
 # CONFIG_CMD_ENV_EXISTS is not set
 # CONFIG_CMD_CRC32 is not set
 CONFIG_CMD_MEMINFO=y
@@ -38,6 +36,9 @@ CONFIG_CMD_FS_UUID=y
 CONFIG_EFI_PARTITION=y
 CONFIG_PARTITION_TYPE_GUID=y
 CONFIG_OF_PRIOR_STAGE=y
+CONFIG_ENV_IS_IN_FAT=y
+CONFIG_ENV_FAT_INTERFACE="mmc"
+CONFIG_ENV_FAT_DEVICE_AND_PART="0:auto"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 # CONFIG_NET is not set
 # CONFIG_DM_WARN is not set