include: fix paths mentioned in files

This patch fixes paths mentioned in the files which are wrong now, due the move
of the files in the previous patch.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

include/linux/can/bcm.h

@@ -1,5 +1,5 @@
 /*
- * socketcan/can/bcm.h
+ * linux/can/bcm.h
  *
  * Definitions for CAN Broadcast Manager (BCM)
  *

include/linux/can/error.h

@@ -1,5 +1,5 @@
 /*
- * socketcan/can/error.h
+ * linux/can/error.h
  *
  * Definitions of the CAN error messages to be filtered and passed to the user.
  *

include/linux/can/gw.h

@@ -1,5 +1,5 @@
 /*
- * socketcan/can/gw.h
+ * linux/can/gw.h
  *
  * Definitions for CAN frame Gateway/Router/Bridge
  *

include/linux/can/netlink.h

@@ -1,5 +1,5 @@
 /*
- * socketcan/can/netlink.h
+ * linux/can/netlink.h
  *
  * Definitions for the CAN netlink interface
  *

include/linux/can/raw.h

@@ -1,5 +1,5 @@
 /*
- * socketcan/can/raw.h
+ * linux/can/raw.h
  *
  * Definitions for raw CAN sockets
  *