Swift: Run power-workarounds after PGOOD

On swift, the VRMs that power-workarounds.sh touches can't communicate
until the system has been powered on.  Rearrange the services to make
this happen.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Idc9a721c1eddb90024cb3c7c751e72cb7d926b2d
6 files changed