This adapt the current runtime selftest to use the new runtime
framework.
(From OE-Core rev: cfeec8a59ba03f98944fd3dca1a67d80e7edb4c9)
Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>