Unfortunately this change was not safe as some devices are bound before
relocation, but we don't want to probe them.
It causes 'raise: Signal # 8 caught' on jerry.
Move the bootstage timer to after autoprobe in initf_dm() since the
trace test does not tolerate any variance.
This reverts commit 21dd873572a01d74bfdfceb7a30b056f8ccba187.
Signed-off-by: Simon Glass <sjg@chromium.org>