Update vboot submodule to upstream master

Updating from commit id fefcaa65:
    vboot: adjust VB2_SECDATA_KERNEL_FLAGS in non-recovery path

to commit id 4bb06cc1:
    COIL: Change denylist to blocklist

This brings in 20 new commmits.

Signed-off-by: Idwer Vollering <vidwer@gmail.com>
Change-Id: I0efef2f0ab6ecb89c8132cca2bd4ab7f71e85ced
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45299
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

3rdparty/vboot

@@ -1 +1 @@
-Subproject commit fefcaa653f2c7a79aa0270d8b2ef7cb290a6f225
+Subproject commit 4bb06cc1b73c738acf056d7fc0a96c4690e8ef8a