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