kontron-sl-mx8mm: Add CAAM support

Add CAAM support, which is required when enabling HAB secure boot.

Select CONFIG_SPL_DRIVERS_MISC so that CONFIG_IMX_HAB could
build successfully, if selected.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>
diff --git a/arch/arm/mach-imx/imx8m/Kconfig b/arch/arm/mach-imx/imx8m/Kconfig
index ef8518c..09b9d56 100644
--- a/arch/arm/mach-imx/imx8m/Kconfig
+++ b/arch/arm/mach-imx/imx8m/Kconfig
@@ -107,6 +107,9 @@
 	select IMX8MM
 	select SUPPORT_SPL
 	select IMX8M_LPDDR4
+	select FSL_CAAM
+	select ARCH_MISC_INIT
+	select SPL_CRYPTO if SPL
 
 config TARGET_IMX8MN_BSH_SMM_S2
 	bool "imx8mn-bsh-smm-s2"