Pull "Samsung mach/soc changes for v4.17, part two" from Krzysztof Kozłowski:
1. Fix coupled CPU idle freeze on Exynos4210.
2. Simplify hot-path in coupled CPU idle.
* tag 'samsung-soc-4.17-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: EXYNOS: Simplify code in coupled CPU idle hot path
ARM: EXYNOS: Fix coupled CPU idle freeze on Exynos4210