imx8mm_venice: switch to use binman to pack images

Use binman to pack images.

Note that imx8mm_venice supports several boards via multiple DTB's thus
in the fit node we must use:
- fit,fdt-list = "of-list"
- fdt-SEQ
- config-SEQ

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/configs/imx8mm_venice_defconfig b/configs/imx8mm_venice_defconfig
index c4c75d2..6f52288 100644
--- a/configs/imx8mm_venice_defconfig
+++ b/configs/imx8mm_venice_defconfig
@@ -25,7 +25,7 @@
 CONFIG_FIT=y
 CONFIG_FIT_EXTERNAL_OFFSET=0x3000
 CONFIG_SPL_LOAD_FIT=y
-CONFIG_SPL_FIT_GENERATOR="arch/arm/mach-imx/mkimage_fit_atf.sh"
+# CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_SYSTEM_SETUP=y
 # CONFIG_USE_BOOTCOMMAND is not set
@@ -56,7 +56,7 @@
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
-CONFIG_OF_LIST="imx8mm-venice-gw71xx-0x imx8mm-venice-gw72xx-0x imx8mm-venice-gw73xx-0x imx8mm-venice-gw7901 imx8mm-venice-gw7902"
+CONFIG_OF_LIST="imx8mm-venice imx8mm-venice-gw71xx-0x imx8mm-venice-gw72xx-0x imx8mm-venice-gw73xx-0x imx8mm-venice-gw7901 imx8mm-venice-gw7902"
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y