Revert "ALSA: hda - mask buggy stream DMA0 for Broadwell display controller"

This reverts commit 7189eb9b8f7962474956196c301676470542f253.

It will use LPIB to get the DMA position on Broadwell HDMI Audio.

Signed-off-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index cbb25b0..bb65a124 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1373,12 +1373,6 @@
 	/* initialize streams */
 	azx_init_stream(chip);
 
-	/* workaround for Broadwell HDMI: the first stream is broken,
-	 * so mask it by keeping it as if opened
-	 */
-	if (pci->vendor == 0x8086 && pci->device == 0x160c)
-		chip->azx_dev[0].opened = 1;
-
 	/* initialize chip */
 	azx_init_pci(chip);
 	azx_init_chip(chip, (probe_only[dev] & 2) == 0);