The function creates a list of all (or migratable only) CPU features
supported by QEMU. It works by looking at the CPU model info returned by
query-cpu-model-expansion QMP command.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NCollin Walling <walling@linux.ibm.com>