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/include/asm-m68k/rtc.h b/include/asm-m68k/rtc.h
index 71406fc..5d3e038 100644
--- a/include/asm-m68k/rtc.h
+++ b/include/asm-m68k/rtc.h
@@ -1,4 +1,4 @@
-/* asm-m68k/rtc.h
+/* include/asm-m68k/rtc.h
  *
  * Copyright Richard Zidlicky
  * implementation details for genrtc/q40rtc driver