Update vboot submodule to upstream master

Updating from commit id 3b80572:
2017-10-12 16:35:30 -0700 - (tlcl, tpmc: extend GetVersion to report vendor specific data)

to commit id f6780a3:
2017-12-01 14:54:40 -0800 - (firmware: header tweaks for depthcharge)

This brings in 19 new commits.

Change-Id: I49b1349cfd9266cd815b68759ae89bdffdd0d74b
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/22777
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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 3b805725c15022783f0737a72b4f27962abf48c
+Subproject f6780a36ff19b36abcdb5ace903c4ae2272fb57