ASoC: SOF: debug: 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/20200917105633.2579047-4-kai.vehmanen@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/debug.c

@@ -405,7 +405,7 @@ static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer,
 	}
 
 	ret = pm_runtime_get_sync(sdev->dev);
-	if (ret < 0) {
+	if (ret < 0 && ret != -EACCES) {
 		dev_err_ratelimited(sdev->dev,
 				    "error: debugfs write failed to resume %d\n",
 				    ret);