more s390 updates for 6.9 merge window

- Various virtual vs physical address usage fixes

- Add new bitwise types and helper functions and use them in s390 specific
  drivers and code to make it easier to find virtual vs physical address
  usage bugs. Right now virtual and physical addresses are identical for
  s390, except for module, vmalloc, and similar areas. This will be
  changed, hopefully with the next merge window, so that e.g. the kernel
  image and modules will be located close to each other, allowing for
  direct branches and also for some other simplifications.

  As a prerequisite this requires to fix all misuses of virtual and
  physical addresses. As it turned out people are so used to the concept
  that virtual and physical addresses are the same, that new bugs got added
  to code which was already fixed. In order to avoid that even more code
  gets merged which adds such bugs add and use new bitwise types, so that
  sparse can be used to find such usage bugs.

  Most likely the new types can go away again after some time

- Provide a simple ARCH_HAS_DEBUG_VIRTUAL implementation

- Fix kprobe branch handling: if an out-of-line single stepped relative
  branch instruction has a target address within a certain address area in
  the entry code, the program check handler may incorrectly execute cleanup
  code as if KVM code was executed, leading to crashes

- Fix reference counting of zcrypt card objects

- Various other small fixes and cleanups
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