powerpc: Fix some #ifndef __KERNEL__ that should be #ifdef

Grrr....

Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/ohare.h b/include/asm-powerpc/ohare.h
index b42037c..0d030f9 100644
--- a/include/asm-powerpc/ohare.h
+++ b/include/asm-powerpc/ohare.h
@@ -1,6 +1,6 @@
 #ifndef _ASM_POWERPC_OHARE_H
 #define _ASM_POWERPC_OHARE_H
-#ifndef __KERNEL__
+#ifdef __KERNEL__
 /*
  * ohare.h: definitions for using the "O'Hare" I/O controller chip.
  *