$(if $(filter $(4),1),$(call define_add,CONFIG_GPIO_RESET_BTN_ACTIVE_LOW,1))
$(if $(CONFIG_MAX_UBOOT_SIZE), \
$(call define_add,CONFIG_MAX_UBOOT_SIZE,$(CONFIG_MAX_UBOOT_SIZE))
+ $(call define_add,CONFIG_MAX_UBOOT_SIZE_HEX,$(shell printf '0x%X' $(CONFIG_MAX_UBOOT_SIZE)))
)
$(if $(filter $(CONFIG_SKIP_LOWLEVEL_INIT),1), \