ux500-pm: enable the on-board keypad wakeup for sleep/deepsleep states

The on-board keypad interfaces through the GPIO218. We make this
GPIO wakeup capable in sleep/deep sleep modes

ST-Ericsson Change ID: 264368

Signed-off-by: Sundar R Iyer <sundar.iyer@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/1717
Reviewed-by: Rickard ANDERSSON <rickard.andersson@stericsson.com>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Change-Id: Idb0eef23188f474c89b43d1eda07755c555fce8d
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/2633
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2 files changed