GitLab

BugLink: http://bugs.launchpad.net/bugs/1533035



Change return code to be in align with OF and built-in device properties error
codes. In particular -EINVAL means property is not found.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 3c60f114

)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>