1. Upgrade version to 0.91
2. Add ptest support
[YOCTO #1569]
(From OE-Core rev: d3c3b49384d034e84cf197c3bb165709a2088cbf)
Signed-off-by: Thomas Lundström <thomas.lundstrom@enea.com>
Signed-off-by: Maxin B. John <maxin.john@enea.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>