Kconfig.cbfs_verification: Update TOCTOU_SAFETY combination with VBOOT

Now that VBOOT_CBFS_INTEGRATION exists, it is possible to use
TOCTOU_SAFETY with VBOOT.

Change-Id: I9f84574f611ec397060404c61e71312009d92ba7
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78915
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/lib/Kconfig.cbfs_verification b/src/lib/Kconfig.cbfs_verification
index 12aaf81..6482e06 100644
--- a/src/lib/Kconfig.cbfs_verification
+++ b/src/lib/Kconfig.cbfs_verification
@@ -25,7 +25,7 @@
 	depends on !NO_FMAP_CACHE
 	depends on !NO_CBFS_MCACHE
 	depends on !USE_OPTION_TABLE && !FSP_CAR  # Known to access CBFS before CBMEM init
-	depends on !VBOOT # TODO: can only allow this once vboot fully integrated
+	depends on !VBOOT || VBOOT_CBFS_INTEGRATION
 	depends on NO_XIP_EARLY_STAGES
 	help
 	  Say yes here to eliminate time-of-check vs. time-of-use vulnerabilities