imx: pico-imx8mq: switch to use binman

Switch to use binman to pack images

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Patrick Wildt <patrick@blueri.se>
diff --git a/arch/arm/mach-imx/imx8m/Kconfig b/arch/arm/mach-imx/imx8m/Kconfig
index 54e62e7..d630a73 100644
--- a/arch/arm/mach-imx/imx8m/Kconfig
+++ b/arch/arm/mach-imx/imx8m/Kconfig
@@ -107,6 +107,7 @@
 
 config TARGET_PICO_IMX8MQ
 	bool "Support Technexion Pico iMX8MQ"
+	select BINMAN
 	select IMX8MQ
 	select IMX8M_LPDDR4