[POWERPC] Fix typo in booting-without-of-txt section numbering

Fix typo in section numbering.

Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index b49ce16..258a279 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -1687,7 +1687,7 @@
 		};
 	};
 
-    g) Flash chip nodes
+    j) Flash chip nodes
 
     Flash chips (Memory Technology Devices) are often used for solid state
     file systems on embedded devices.