Use the convert-overrides.py to convert to new syntax and manually
fix some additional changes.

Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>

Adds entries for backport-iwlwifi, ixgbe, secureboot, Yocto Project
compatibility, QAT, and DPDK.

Signed-off-by: California Sullivan <california.l.sullivan@intel.com>

This file will keep track of major changes between releases, beginning
with the pyro release.

Signed-off-by: California Sullivan <california.l.sullivan@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>