ALSA: hda - Allocate name string of each codec

Allocate dynamically the name string of each codec instead of
pointing to a static string.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.h

@@ -719,6 +719,8 @@ struct hda_codec {
 
 	/* detected preset */
 	const struct hda_codec_preset *preset;
+	const char *name;	/* codec name */
+	const char *modelname;	/* model name for preset */
 
 	/* set by patch */
 	struct hda_codec_ops patch_ops;