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/serial/21285.c b/drivers/serial/21285.c
index 5743832..76d83ad 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/char/21285.c
+ * linux/drivers/serial/21285.c
  *
  * Driver for the serial port on the 21285 StrongArm-110 core logic chip.
  *
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.h b/drivers/serial/cpm_uart/cpm_uart_cpm1.h
index 5d867ab..5eb49ea 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.h
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.h
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/serial/cpm_uart_cpm1.h
+ * linux/drivers/serial/cpm_uart/cpm_uart_cpm1.h
  *
  * Driver for CPM (SCC/SMC) serial ports
  * 
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.h b/drivers/serial/cpm_uart/cpm_uart_cpm2.h
index a663300..4b77911 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.h
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.h
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/serial/cpm_uart_cpm2.h
+ * linux/drivers/serial/cpm_uart/cpm_uart_cpm2.h
  *
  * Driver for CPM (SCC/SMC) serial ports
  *