RK-v4.0 ( Aosp and MiUi both) for Munch/In

• Merged Latest Linux Version: 4.19.265

•lz4: Update to version 1.9.4

•lib/lz4: Import arm64 V8 ASM lz4 decompression acceleration

•crypto: lz4: Use ARM64 v8 ASM to accelerate decompression

•erofs: Use ARM64 v8 ASM to accelerate lz4 decompression

•zram: Checkout to 5.4

•zram: kang from v5.15

•clk: qcom: mdss: Fix tons of memory leaks

•drivers: dma: Fix mem leak reported by kmemleak

•block: genhd: add 'groups' argument to device_add_disk

•Re-implemented Kprofiles ( Now User-space can tune them ) and Auto-Kprofiles

( Check the note "Kprofiles" )

•Makefile: enable Clang Polly optimizations

•Makefile: Use -O3 optimization level

•treewide : enable O3 optimization

•mm: Adjust dirty ratio percentage

•Kernel/sched: Reduce Latency .

•input: focaltech_spi: Optimize interrupt CPU usage

•input: focaltech_spi: Require low latency

•mm/compaction: Increase fragmentation index

•sched: boost: Don't allow powerhal write sched_boost

•genirq/timings: Optimize the period detection speed

•locking: Introduce local_lock()

•iommu: msm: Rewrite to improve clarity and performance

•Merge branch 'fq_codel-small-optimizations'