ALSA: hda - Move SKL+ vendor specific register definitions to hda_register.h

They may be used by both legacy and ASoC drivers.

Acked-by: Vinod Koul <vinod.koul@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 c8256a8..a48330f 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -534,9 +534,9 @@ static void bxt_reduce_dma_latency(struct azx *chip)
 {
 	u32 val;
 
-	val = azx_readl(chip, SKL_EM4L);
+	val = azx_readl(chip, VS_EM4L);
 	val &= (0x3 << 20);
-	azx_writel(chip, SKL_EM4L, val);
+	azx_writel(chip, VS_EM4L, val);
 }
 
 static void hda_intel_init_chip(struct azx *chip, bool full_reset)