nomadik-gpio: implement to_irq

So that gpio_to_irq() works.

ST-Ericsson ID: AP264622

Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/1798
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Change-Id: I3f9ccc568a5c6b2c0230ad98214c6ee1d0eba5f7
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/2627
1 file changed