ALSA: HDAC: move SND_HDA_PREALLOC_SIZE to core

Since this is common option for HDA driver to specfiy pre-allocated
buffer, we should make this option availble to all HDA driver by
moving this to HDA core
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/hda/Kconfig

@@ -14,3 +14,16 @@ config SND_HDA_I915
 config SND_HDA_EXT_CORE
        tristate
        select SND_HDA_CORE
+
+config SND_HDA_PREALLOC_SIZE
+	int "Pre-allocated buffer size for HD-audio driver"
+	range 0 32768
+	default 64
+	help
+	  Specifies the default pre-allocated buffer-size in kB for the
+	  HD-audio driver.  A larger buffer (e.g. 2048) is preferred
+	  for systems using PulseAudio.  The default 64 is chosen just
+	  for compatibility reasons.
+
+	  Note that the pre-allocation size can be changed dynamically
+	  via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.

sound/pci/hda/Kconfig

@@ -38,19 +38,6 @@ config SND_HDA_TEGRA
 
 if SND_HDA
 
-config SND_HDA_PREALLOC_SIZE
-	int "Pre-allocated buffer size for HD-audio driver"
-	range 0 32768
-	default 64
-	help
-	  Specifies the default pre-allocated buffer-size in kB for the
-	  HD-audio driver.  A larger buffer (e.g. 2048) is preferred
-	  for systems using PulseAudio.  The default 64 is chosen just
-	  for compatibility reasons.
-
-	  Note that the pre-allocation size can be changed dynamically
-	  via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.
-
 config SND_HDA_HWDEP
 	bool "Build hwdep interface for HD-audio driver"
 	select SND_HWDEP