[Blackfin] arch: Update copyright date

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

arch/blackfin/mach-bf527/boards/ezkit.c

@@ -8,7 +8,7 @@
  *
  * Modified:
  *               Copyright 2005 National ICT Australia (NICTA)
- *               Copyright 2004-2007 Analog Devices Inc.
+ *               Copyright 2004-2008 Analog Devices Inc.
  *
  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  *

arch/blackfin/mach-bf537/boards/generic_board.c

@@ -8,7 +8,7 @@
  *
  * Modified:
  *               Copyright 2005 National ICT Australia (NICTA)
- *               Copyright 2004-2007 Analog Devices Inc.
+ *               Copyright 2004-2008 Analog Devices Inc.
  *
  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  *

arch/blackfin/mach-bf537/boards/pnav10.c

@@ -8,7 +8,7 @@
  *
  * Modified:
  *               Copyright 2005 National ICT Australia (NICTA)
- *               Copyright 2004-2006 Analog Devices Inc.
+ *               Copyright 2004-2008 Analog Devices Inc.
  *
  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  *