Update vboot submodule to upstream master
Updating from commit id
b2c8984d:
2019-10-01 06:01:59 +0000 - (vboot: fix compile error with MOCK_TPM)
to commit id
87276ffe:
2019-11-07 17:46:09 +0800 - (futility: updater: Clean up hard-coded section names to preserve)
This brings in 48 new commits.
Change-Id: Iabaadc63227b856d0a2b7f3b23fe8c41b28d8eae
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36813
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>