Merge tag 'Wimplicit-fallthrough-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull fallthrough fixes from Gustavo A. R. Silva:
 "Fix fall-through warnings on arc and nds32 for multiple
  configurations"

* tag 'Wimplicit-fallthrough-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  nds32: Mark expected switch fall-throughs
  ARC: unwind: Mark expected switch fall-through