This is our usual set of DT patches for the Allwinner SoCs. It's fairly big this time, but the highlights are: - Enable cpufreq and CPU thermal throttling on the A64 - CLK_CPUX macro usage removed (changed from first pull request) - CSI0 support on the R40 - CSI1 support on the A10 and A20 - SPI support on the R40 - PMU support on the H3, H5, H6 and R40 - MIPI-DSI support on the A64 - PWM support on the H6 - Thermal sensor on the A64, A83t, H3, H5, H6 and R40 - More DT schemas fixes and conversions - New boards: LibreComputer ALL-H5-CC H5, LibreComputer ALL-H3-IT H5, Pine64 H64 Model B, Neutis N5H3