Pull s390 fixes from Martin Schwidefsky:

 - SPDX identifiers are added to more of the s390 specific files.

 - The ELF_ET_DYN_BASE base patch from Kees is reverted, with the change
   some old 31-bit programs crash.

 - Bug fixes and cleanups.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (29 commits)
  s390/gs: add compat regset for the guarded storage broadcast control block
  s390: revert ELF_ET_DYN_BASE base changes
  s390: Remove redundant license text
  s390: crypto: Remove redundant license text
  s390: include: Remove redundant license text
  s390: kernel: Remove redundant license text
  s390: add SPDX identifiers to the remaining files
  s390: appldata: add SPDX identifiers to the remaining files
  s390: pci: add SPDX identifiers to the remaining files
  s390: mm: add SPDX identifiers to the remaining files
  s390: crypto: add SPDX identifiers to the remaining files
  s390: kernel: add SPDX identifiers to the remaining files
  s390: sthyi: add SPDX identifiers to the remaining files
  s390: drivers: Remove redundant license text
  s390: crypto: Remove redundant license text
  s390: virtio: add SPDX identifiers to the remaining files
  s390: scsi: zfcp_aux: add SPDX identifier
  s390: net: add SPDX identifiers to the remaining files
  s390: char: add SPDX identifiers to the remaining files
  s390: cio: add SPDX identifiers to the remaining files
  ...