fix comments with new drivers organization

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
diff --git a/doc/README.generic_usb_ohci b/doc/README.generic_usb_ohci
index 494dd1f..c44c501 100644
--- a/doc/README.generic_usb_ohci
+++ b/doc/README.generic_usb_ohci
@@ -1,7 +1,7 @@
 Notes on the the generic USB-OHCI driver
 ========================================
 
-This driver (drivers/usb_ohci.[ch]) is the result of the merge of
+This driver (drivers/usb/usb_ohci.[ch]) is the result of the merge of
 various existing OHCI drivers that were basically identical beside
 cpu/board dependant initalization. This initalization has been moved
 into cpu/board directories and are called via the hooks below.