Update libkdumpfile to version 0.5.0 / rev 17 via SR 994881
    
    https://build.opensuse.org/request/show/994881
    by user ptesarik + dimstar_suse
    - Upgrade to libkdumpfile version 0.5.0
      * Support SADUMP file format.
      * Add kdump_open_fd() and kdump_open_fdset(). Keep KDUMP_ATTR_FILE_FD
        for (partial) backward compatibility.
      * Redesigned addrxlat callback API.
      * Support KDUMP file sets created by makedumpfile --split.
      * Zstandard compression algorithm
      * AArch64 52-bit VA
      * Address translation tuning with addrxlat.default.* and addrxlat.force.*
        attributes.
    - Drop patches that are upstream:
      * libkdumpfile-live-source-Xen-DomU-type-from-sysfs.patch