kexec-tools security, bug fix, and enhancement update

[2.0.20-57.0.3]

• Merge 8.4 extra patches for SB boot environment [Orabug: 33512440]
  [2.0.20-57.0.2]
• Merge SRPM/ol8-u4 orabug patches into SRPM/ol8-u5 [Orabug: 33471981]
  [2.0.20-57.0.1]
• makedumpfile: Add support for newer kernels up to v5.12 [Orabug: 33250117]
  [2.0.20-57]
• kdumpctl: enable secure boot on ppc64le LPARs
  [2.0.20-56]
• kdumpctl: fix a typo
  [2.0.20-55]
• kdump/ppc64: migration action registration clean up
  [2.0.20-54]
• kdump/ppc64: rebuild initramfs image after migration
• Check the existence of /sys/bus/ccwgroup/devices/*/online beforehand
• kdump.sysconfig.s390: Remove ‘prot_virt’ from kdump kernel cmdline
  [2.0.20-53]
• check for invalid physical address of /proc/kcore when making ELF dumpfile
• check for invalid physical address of /proc/kcore when finding max_paddr
• fix format issue in find_online_znet_device
• check the existence of /sys/bus/ccwgroup/devices before trying to find online network device
• kdump-lib.sh: fix a warning in prepare_kdump_bootinfo()
  [2.0.20-52]
• Write to /var/lib/kdump if not writable
• Iterate /sys/bus/ccwgroup/devices to tell if we should set up rd.znet
• mkdumprd: display the absolute path of dump location in the check_user_configured_target()
  [2.0.20-51]
• Stop reloading kdump service on CPU hotplug event for FADump
• fadump: improve fadump-howto.txt about remote dump target setup
  [2.0.20-50]
• rd.route should use the name from kdump_setup_ifname
• get kdump ifname once in kdump_install_netdev
  [2.0.20-49]
• kdump-lib.sh: fix the case if no enough total RAM for kdump in get_recommend_size()
  [2.0.20-48]
• kdumpctl: Add kdumpctl estimate
• mkdumprd: make use of the new get_luks_crypt_dev helper
• kdump-lib.sh: introduce a helper to get all crypt dev used by kdump
• kdump-lib.sh: introduce a helper to get underlying crypt device
• RHEL-only: keep total memory size coherent to RHEL-only kernel patch
• Show write byte size in report messages
• Add shorthand --show-stats option to show report stats
• Add --dry-run option to prevent writing the dumpfile
• kdump-lib.sh: introduce functions to return recommened mem size
  [2.0.20-47]
• Implement IP netmask calculation to replace ‘ipcalc -m’
• kdumpctl: fix check_config error when kdump.conf is empty
• Fix incorrect vmcore permissions when dumped through ssh
• Fix incorrect permissions on kdump dmesg file