Ignore (1) stateless mode firmware and (2) memory device firmware which
do not include a few core keys such as nvram-template. This is
a temporal (and backportable) workaround until firmware detection using
libvirt's internal feature is implemented by [1]
[1] https://blueprints.launchpad.net/nova/+spec/libvirt-firmware-auto-selection
Closes-Bug: #2122288
Change-Id: I99bc36fdd5df816c9ae374db71e4734fb7fc467b
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>
(cherry picked from commit d2188b9e6b)
(cherry picked from commit 53c253db09)
09f52ec442