This update for mkdud fixes the following issues:

Update to 1.55:

- work with both mkisofs and genisoimage

Update to 1.54:

- do not preprocess dist names when the --no-fix-dist option is used (boo#1199514)

Update to 1.53:

- adapt to support zstd compressed kernel modules

Update to 1.52:

- add SLE Micro to the list of known products (boo#1185844)

Update to 1.51:

- adapt to support xz compressed kernel modules (boo#1184550)