[POWERPC] cell: Remove DEBUG for SPU callbacks

We don't want SPE programs to be able to flood the kernel log by
invoking the SPE callback handler, so don't enable DEBUG for
spu_callbacks.c by default.
Signed-off-by: NJeremy Kerr <jk@ozlabs.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/platforms/cell/spu_callbacks.c

@@ -2,7 +2,7 @@
  * System call callback functions for SPUs
  */
 
-#define DEBUG
+#undef DEBUG
 
 #include <linux/kallsyms.h>
 #include <linux/module.h>