For board-specific initialization.

Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: linux-kernel@vger.kernel.org
Acked-by: NLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: NRabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>