Update vboot submodule to upstream master

Updating from commit id 55154620:
  vboot: Add screens for recovery using disk

to commit id 3aab3014:
  vboot: Convert reboot-related errors to vboot2-style

This brings in 3 new commits.

Change-Id: I75be535e0b0f8080366b98e5ae2007452ad51738
Signed-off-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40845
Reviewed-by: Joel Kitching <kitching@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 0 insertions, 0 deletions

diff --git a/3rdparty/vboot b/3rdparty/vboot
-Subproject 55154620f4aa3bba9eaaf09f5186a52a4872002
+Subproject 3aab301473ec0b95f109a245efeadc20c3b7d57