fix comments with new drivers organization

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
diff --git a/fs/jffs2/jffs2_1pass.c b/fs/jffs2/jffs2_1pass.c
index 5316668..69f53ea 100644
--- a/fs/jffs2/jffs2_1pass.c
+++ b/fs/jffs2/jffs2_1pass.c
@@ -165,7 +165,7 @@
 int read_jffs2_nand(size_t start, size_t len,
 		size_t * retlen, u_char * buf, int nanddev);
 #else
-/* info for NAND chips, defined in drivers/nand/nand.c */
+/* info for NAND chips, defined in drivers/mtd/nand/nand.c */
 extern nand_info_t nand_info[];
 #endif