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/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 31ad79f..91c5344 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/ide-pmac.c
+ * linux/drivers/ide/ppc/pmac.c
  *
  * Support for IDE interfaces on PowerMacs.
  * These IDE interfaces are memory-mapped and have a DBDMA channel