Comment 11 for bug 1817321

Adding patches and test procedure for the debian-installer userspace part.
(disk-detect probes iSCSI iBFT disks; partman-iscsi sets ISCSI_AUTO=true for booting.)

The d-i patches should be uploaded/built _after_ hw-detect and partman-iscsi
are successfully built and published, so that its new versions are picked up.

The d-i kernel version change has been tested for the architectures
amd64, i386, arm64, and ppc64el, on both regular/lvm partitioning,
using VMs/QEMU for all archs, plus baremetal for amd64.

The hw-detect/partman-iscsi has been tested with a simple, virtual
iSCSI/iBFT setup using iPXE, which will be described shortly.

cheers,
Mauricio