[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/paca.h b/include/asm-powerpc/paca.h
index c9add8f..ec94b51 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -54,7 +54,7 @@
 #endif /* CONFIG_PPC_ISERIES */
 
 	/*
-	 * MAGIC: the spinlock functions in arch/ppc64/lib/locks.c
+	 * MAGIC: the spinlock functions in arch/powerpc/lib/locks.c 
 	 * load lock_token and paca_index with a single lwz
 	 * instruction.  They must travel together and be properly
 	 * aligned.