this is driver for the PPMS of LIN at PSI.
This includes the SCoP driver and a simulation, which mimics a
PPMS device including the command interface.
The (small) interface to the windows system of PPMS follows in
a separate patch.
Change-Id: I92173b6dd83016fd1db446c710af101d436fc57b
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/21445
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>
