Allwinner clock changes for 4.14, round 2 Usual improvements: - Added support for fixed post-divider on divider and NKM-style clocks - Added driver for R40 CCU Non critical fixes (from round 1): - Fix sunxi-ng/ccu-sunxi-r.h header file guard macro typo - Make fractional clock modes really used and correctly configured - Make H3 cpu clock rate change correctly to be used with cpufreq