Resolves: bz1986942, bz1986969
Fixes the issue that inst.kdump_addon=0 doesn't work, and kdump-addon
blocks automated installation.
Signed-off-by: Kairui Song <kasong@redhat.com>
Update to support new `crashkernel.default` kernel file, add support for
encrypted device detection.
Also apply RHEL only patch which enable kdump by default.
Resolves: bz1937035, bz1959203
Signed-off-by: Kairui Song <kasong@redhat.com>