vboot: merge ec_sync and ec_sync_all

Merge ec_sync and ec_sync_all in preparation for EC and auxfw
refactoring.  This CL just moves code around without actually
making any modifications.

BUG=b:124141368, chromium:1016688, b:112198832, b:143094352
TEST=make clean && make runtests
BRANCH=none

Change-Id: I833c429e36a8f75e9b6d8f21aeb4c8c92c860256
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1872253
Reviewed-by: Karthikeyan Ramasubramanian <kramasub@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Tested-by: Joel Kitching <kitching@chromium.org>
Commit-Queue: Sean Abraham <seanabraham@chromium.org>
3 files changed