spl: Force disable non-FIT loading for TI secure devices

Booting of non-FIT images bypass our chain-of-trust boot flow,
these options should not be allowed when high security is set.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 43485af..50ff113 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -219,7 +219,8 @@
 config SPL_RAW_IMAGE_SUPPORT
 	bool "Support SPL loading and booting of RAW images"
 	default n if (ARCH_MX6 && (SPL_MMC || SPL_SATA))
-	default y if !TI_SECURE_DEVICE
+	default y
+	depends on !TI_SECURE_DEVICE
 	help
 	  SPL will support loading and booting a RAW image when this option
 	  is y. If this is not set, SPL will move on to other available
@@ -227,7 +228,8 @@
 
 config SPL_LEGACY_IMAGE_FORMAT
 	bool "Support SPL loading and booting of Legacy images"
-	default y if !TI_SECURE_DEVICE && !SPL_LOAD_FIT
+	default y if !SPL_LOAD_FIT
+	depends on !TI_SECURE_DEVICE
 	help
 	  SPL will support loading and booting Legacy images when this option
 	  is y. If this is not set, SPL will move on to other available