Samsung drivers/soc update for v4.8:
1. Move the power domain driver from arm/mach-exynos and prepare
for supporting ARMv8.
2. Add COMPILE_TEST.
* tag 'samsung-drivers-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
soc: samsung: pm_domains: Enable COMPILE_TEST for build coverage
soc: samsung: pm_domains: Prepare for supporting ARMv8 Exynos
ARM: EXYNOS: Move pm_domains driver to drivers/soc/samsung
Signed-off-by: Olof Johansson <olof@lixom.net>