ASoC: SOF: control: update test for pm_runtime_get_sync()

We need to avoid reporting an error for -EACCESS when pm_runtime is
not enabled.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200917105633.2579047-5-kai.vehmanen@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>