s390 fixes for 4.19-rc8

Four more patches for 4.19

 - Fix resume after suspend-to-disk if resume-CPU != suspend-CPU

 - Fix vfio-ccw check for pinned pages

 - Two patches to avoid a usercopy-whitelist warning in vfio-ccw
Merge tag 'vfio-ccw-20181002' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw into fixes

Pull vfio-ccw from Cornelia Huck with the following changes:

 - Another fix for vfio-ccw: make sure it accesses the correct entries
   in the pfn_array_table arrays when checking pinned pages.