* 8d513a350c25 5.6.2-xanmod2
* 85a974e1da92 .gitignore: add ZSTD-compressed files
* 0635a4ea07c1 x86: Add support for ZSTD compressed kernel
* 5c73eb782edb x86: bump ZO_z_extra_bytes margin for zstd
* d7b60d318d57 usr: add support for zstd compressed initramfs
* e6178ab5b1d4 init: add support for zstd compressed kernel
* 549c042f9815 lib: add zstd support to decompress
* 002e9a81fc90 lib: prepare xxhash for preboot environment
* 0b8123b69522 lib: prepare zstd for preboot environment