Samsung DTS ARM changes for v5.3, second round

1. Add camera flash to Galaxy S3 boards,
2. Fix PMU affinity interrupt warning on Exynos4,
3. Improve regulator configuration on Odroid XU3/XU4/HC1 family and
   Arndale Octa by disabling unneeded regulators and adding suspend
   configuration.  The suspend configuration brings significant reduce of
   energy usage in Suspend to RAM (e.g. 120 -> ~7 mA on Odroid HC1).
4. Add Mali nodes to Exynos3 and Exynos4.