Use CONFIG_TASK_VBOOTHASH instead of CONFIG_VBOOT

This fixes build breaks in 'make tests'.

BUG=none
BRANCH=none

TEST=make tests (note that this still fails due to other problems;
will fix those in a followup CL)

Change-Id: I5b5ce52ed6e44ade6051e0a091a6699c0454d61a
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/36353
Reviewed-by: Simon Glass <sjg@chromium.org>
5 files changed