audio: Move all audio packages into audio subdir

Moved all audio packages into a subdir called audio.
I then created a Config.in and made sure that a audio.mk 
existed.

Daniel Laird

package/Config.in

@@ -285,27 +285,8 @@ source "package/wipe/Config.in"
 source "package/xfsprogs/Config.in"
 endif
 
-menuconfig BR2_AUDIO_SUPPORT
-	bool "Audio libraries and applications"
-	default y
-	help
-	  Support for audio libraries and applications
-
-if BR2_AUDIO_SUPPORT
-source "package/alsa-lib/Config.in"
-source "package/alsa-utils/Config.in"
-source "package/asterisk/Config.in"
-source "package/aumix/Config.in"
-source "package/libid3tag/Config.in"
-source "package/libmad/Config.in"
-source "package/libogg/Config.in"
-source "package/libsndfile/Config.in"
-source "package/libvorbis/Config.in"
-source "package/madplay/Config.in"
-source "package/mpg123/Config.in"
-source "package/speex/Config.in"
-source "package/festival/Config.in"
-endif
+# Audio support
+source "package/audio/Config.in"
 
 menuconfig BR2_GRAPHIC_SUPPORT
 	bool "Graphic libraries and applications (graphic/text)"

package/audio/Config.in

@@ -0,0 +1,21 @@
+menuconfig BR2_AUDIO_SUPPORT
+	bool "Audio libraries and applications"
+	default y
+	help
+	  Support for audio libraries and applications
+
+if BR2_AUDIO_SUPPORT
+source "package/audio/alsa-lib/Config.in"
+source "package/audio/alsa-utils/Config.in"
+source "package/audio/asterisk/Config.in"
+source "package/audio/aumix/Config.in"
+source "package/audio/libid3tag/Config.in"
+source "package/audio/libmad/Config.in"
+source "package/audio/libogg/Config.in"
+source "package/audio/libsndfile/Config.in"
+source "package/audio/libvorbis/Config.in"
+source "package/audio/madplay/Config.in"
+source "package/audio/mpg123/Config.in"
+source "package/audio/speex/Config.in"
+source "package/audio/festival/Config.in"
+endif

package/audio/audio.mk

@@ -0,0 +1 @@
+include package/audio/*/*.mk