Merge tag 'arc-5.1-final' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Merge tag 'arc-5.1-final' of git://git./linux/kernel/git/vgupta/arc

Pull ARC fixes from Vineet Gupta:
 "A few minor fixes for ARC.

   - regression in memset if line size !64

   - avoid panic if PAE and IOC"

* tag 'arc-5.1-final' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: memset: fix build with L1_CACHE_SHIFT != 6
  ARC: [hsdk] Make it easier to add PAE40 region to DTB
  ARC: PAE40: don't panic and instead turn off hw ioc