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>