p5110: add dock support

Change-Id: Id161cbaef1a6602d09bbb5363d33bb4d91029b81
p5110: add DeviceSettings

Change-Id: Ic9fdbdd3f6c5e6ff18d4b9bbe70ecab0e4044e05
Merge "p5110: add DeviceSettings" into cm-10.1-staging