evita: modify hardware keys overlay

Change-Id: I3c1bd95c105864ed83621b321f14daf45ce3e2a5
evita: correct wakeKeys overlay

Our gpio softkeys are off when screen is off and can't wake device,
remove these options from the list
Change-Id: I2f71f5c317b61ab74428835aed1e462c42e780f2