Update vboot submodule to upstream master

Updating from commit id 695c56dc:
2019-12-04 Julius Werner   Makefile: Make loop unrolling fully
			   controllable by the caller

to commit id b10e5e32:
2019-12-09 Yu-Ping Wu      vboot: Make 2nvstorage.h private to
			   vboot_reference

This brings in 19 new commits.

Change-Id: I9cdccd25422aee26620d48d31f83bcf32a7b4809
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37717
Reviewed-by: Mathew King <mathewk@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 695c56dc50a59e5c9098c94f41b3d86b8f99baf
+Subproject b10e5e32cc34dba7660b070616d3481742a28e7