Allow the various GPIO-connected buttons to be used as wakeup sources.
Also enable the internal GPIO pullup.
Signed-off-by: NSedji Gaouaou <sedji.gaouaou@atmel.com>
Signed-off-by: NAndrew Victor <linux@maxim.org.za>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>