[make-initrd] Release make-initrd 2.51.0

[Alexey Gladkov]

New release 2.51.0 is available.

# Important changes

- Feature kickstart:
  + Allow to disable kickstart from cmdline.
  + Fix specifying label for f2fs.
  + Add mkfs for f2fs filesystem if needed.
  + Add crc32-generic for f2fs.
  + Add more nls modules for vfat kernel module.

- Feature pipeline:
  + Add ability to check gpg signatures for mounted files in pipeline.

- Feature ucode:
  + Fix the dependency on compress.

- Feature compress:
  + Attempt to detect and use the number of physical CPU cores.

- Misc:
  + Update libshell to v0.4.13 .
  + Update busybox to 1.37.0 .

# Git repository

https://github.com/osboot/make-initrd.git

Feedback and bug reports are, as always, welcome. 

-- 
Rgrds, legion