m68knommu: Document supported chips in intc-2.c and intc-simr.c.

The chips lists were in commit logs, but should also be in source files.
This way it is easier to choose the right source file for a not yet
supported Coldfire.
Signed-off-by: NPhilippe De Muyter <phdm@macqel.be>
Signed-off-by: NGreg Ungerer <gerg@uclinux.org>

arch/m68knommu/platform/coldfire/intc-2.c

 /*
- * intc-1.c
+ * intc-2.c
+ *
+ * General interrupt controller code for the many ColdFire version 2 cores
+ * that use the two region INTC interrupt controller. This includes the
+ * 523x family, 5270, 5271, 5274, 5275, and the 528x families.
  *
  * (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
  *

arch/m68knommu/platform/coldfire/intc-simr.c

 /*
  * intc-simr.c
  *
+ * Interrupt controller code for the ColdFire 5208, 5207 & 532x parts.
+ *
  * (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
  *
  * This file is subject to the terms and conditions of the GNU General Public