fix file specification in comments

Many files include the filename at the beginning, serveral used a wrong one.

Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index a01d796..e13dd18 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -1,5 +1,5 @@
 /*
- * driver/char/hw_random/omap-rng.c
+ * drivers/char/hw_random/omap-rng.c
  *
  * RNG driver for TI OMAP CPU family
  *