input: qt1070: add power management ops

Add power management ops for qt1070, it maybe a wakeup source

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
arm: at91: sama5d3: enable qt1070 as a wakeup source

Enable qt1070 keyboard as a wakeup source on sama5d3xek board.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Merge branch 'at91-3.10-trunk/v3.10_drivers' into linux-3.10-at91