imx: imx8qm-rom7720: switch to binman

Switch to use binman to pack images

Signed-off-by: Oliver Graute <oliver.graute@kococonnector.com>
diff --git a/arch/arm/mach-imx/imx8/Kconfig b/arch/arm/mach-imx/imx8/Kconfig
index 2ba7454..a7e3af5 100644
--- a/arch/arm/mach-imx/imx8/Kconfig
+++ b/arch/arm/mach-imx/imx8/Kconfig
@@ -82,6 +82,7 @@
 
 config TARGET_IMX8QM_ROM7720_A1
 	bool "Support i.MX8QM ROM-7720-A1"
+	select BINMAN
 	select BOARD_LATE_INIT
 	select SUPPORT_SPL
 	select IMX8QM