feat(intel): support wipe DDR after calibration

After a calibration we cannot trust the DDR content. Let's explicitly
clear the DDR content using the built-in scrubber in this case.

Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I6f429623f76a21f61f85efbb660cf65d99c04f56
4 files changed