move audio drivers together into a subdir

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13209 a1c6a512-1295-4272-9138-f99709370657

firmware/FILES

@@ -10,6 +10,7 @@ decompressor/Makefile
 decompressor/*.[chS]
 decompressor/*.lds
 drivers/*.[chS]
+drivers/audio/*.[chS]
 drivers/rtc/*.[chS]
 export/*.h
 include/*.h

firmware/SOURCES

@@ -196,17 +196,17 @@ drivers/mas.c
 /* Audio codec */
 #ifndef SIMULATOR
 #if defined(HAVE_UDA1380)
-drivers/uda1380.c
+drivers/audio/uda1380.c
 #elif defined(HAVE_WM8975) || defined(HAVE_WM8751)
-drivers/wm8975.c
+drivers/audio/wm8975.c
 #elif defined(HAVE_WM8758)
-drivers/wm8758.c
+drivers/audio/wm8758.c
 #elif defined(HAVE_WM8731) || defined(HAVE_WM8721)
-drivers/wm8731l.c
+drivers/audio/wm8731l.c
 #elif defined(HAVE_AS3514)
-drivers/as3514.c
+drivers/audio/as3514.c
 #elif defined(HAVE_TLV320)
-drivers/tlv320.c
+drivers/audio/tlv320.c
 #endif /* defined(HAVE_*) */
 #endif /* SIMULATOR */