[PATCH] powerpc: trivial: modify comments to refer to new location of files

This patch removes all self references and fixes references to files
in the now defunct arch/ppc64 tree.  I think this accomplises
everything wanted, though there might be a few references I missed.

Signed-off-by: Jon Mason <jdmason@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/rwsem.h b/include/asm-powerpc/rwsem.h
index 79bae49..2c2fe96 100644
--- a/include/asm-powerpc/rwsem.h
+++ b/include/asm-powerpc/rwsem.h
@@ -4,7 +4,7 @@
 #ifdef __KERNEL__
 
 /*
- * include/asm-ppc64/rwsem.h: R/W semaphores for PPC using the stuff
+ * include/asm-powerpc/rwsem.h: R/W semaphores for PPC using the stuff
  * in lib/rwsem.c.  Adapted largely from include/asm-i386/rwsem.h
  * by Paul Mackerras <paulus@samba.org>.
  */