Fix up the ARM audio support (#2136)

* Get audio working on clueboard/60

* add keys for music mode

* Change doubles to floats

* add keys for all the songs

* revert to the default startup sound

* Remove music mode until we can figure out why it crashes

quantum/audio/audio_arm.c

@@ -18,7 +18,6 @@
 #include "ch.h"
 #include "hal.h"
 
-#include <stdio.h>
 #include <string.h>
 #include "print.h"
 #include "keymap.h"