Define config_deviceHardwareKeys properly.

Change-Id: I0ba0145be328e423e0bd4094302734bf0d4b868e
Enable new power modes

Change-Id: I0c2a6fbc5a22aa869896077149cdb05fb0c488e5
Merge remote-tracking branch 'upstream/cm-10.2' into dark-jelly-cm-10.2
display: Switch to the qcom/CAF variant

Change-Id: I953566f896b251afbbb4f2e8d4ddc4695da9bb6b
Merge remote-tracking branch 'upstream/cm-10.2' into dark-jelly-cm-10.2