sysutils/ltfs: Update to 2.4.4.0
Port changes:
Add options for DEBUG and SNMP, reformat.
ltfs changes:
- Support LTO9 drives
- Fixed and improved MAM handling in cases where MAM might not update
correctly during write errors, so that LTFS correctly searches for the
latest index position of the tape for these cases.
- FreeBSD 12 build fix
Changes: https://github.com/LinearTapeFileSystem/ltfs/compare/v2.4.3.1-10461...v2.4.4.0-10470