ALSA: oxygen: rename pcm_dev_cfg

Rename the pcm_dev_cfg field to device_config because there will be
additional flags that do not describe PCM devices.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c
index b7226b6..304da16 100644
--- a/sound/pci/oxygen/oxygen_mixer.c
+++ b/sound/pci/oxygen/oxygen_mixer.c
@@ -974,14 +974,14 @@
 	err = add_controls(chip, controls, ARRAY_SIZE(controls));
 	if (err < 0)
 		return err;
-	if (chip->model.pcm_dev_cfg & CAPTURE_1_FROM_SPDIF) {
+	if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
 		err = add_controls(chip, spdif_input_controls,
 				   ARRAY_SIZE(spdif_input_controls));
 		if (err < 0)
 			return err;
 	}
 	for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
-		if (!(chip->model.pcm_dev_cfg & monitor_controls[i].pcm_dev))
+		if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
 			continue;
 		err = add_controls(chip, monitor_controls[i].controls,
 				   ARRAY_SIZE(monitor_controls[i].controls));