[ARM] pxa/cm-x300: update authors and copyright

Signed-off-by: NIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: NMike Rapoport <mike@compulab.co.il>
Signed-off-by: NEric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/cm-x300.c

@@ -3,9 +3,10 @@
  *
  * Support for the CompuLab CM-X300 modules
  *
- * Copyright (C) 2008 CompuLab Ltd.
+ * Copyright (C) 2008,2009 CompuLab Ltd.
  *
  * Mike Rapoport <mike@compulab.co.il>
+ * Igor Grinberg <grinberg@compulab.co.il>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as