Merge branch 'linux-4.15' of git://github.com/skeggsb/linux into drm-next

nouveau next fixes.

Fixes arm32 build.

* 'linux-4.15' of git://github.com/skeggsb/linux:
  drm/nouveau/bios/timing: mark expected switch fall-throughs
  drm/nouveau/devinit/nv04: mark expected switch fall-throughs
  drm/nouveau/bios: make const arrays hwsq_signature and edid_sig static
  drm/nouveau/core/memory: fix missing mutex unlock
  drm/nouveau/mmu: swap out round for ALIGN