imx8mp-evk: switch to use binman

Use binman to pack images

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/configs/imx8mp_evk_defconfig b/configs/imx8mp_evk_defconfig
index 47a52ee..089ec26 100644
--- a/configs/imx8mp_evk_defconfig
+++ b/configs/imx8mp_evk_defconfig
@@ -22,9 +22,9 @@
 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_SYSTEM_SETUP=y
-CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/imx8m/imximage-8mp-lpddr4.cfg"
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/imx8mp_evk/imximage-8mp-lpddr4.cfg"
 CONFIG_DEFAULT_FDT_FILE="imx8mp-evk.dtb"
 CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_BOARD_LATE_INIT=y