Add missing GalaxyParts init services

Change-Id: I093a1744bfba56015a08c23e4c55c1bad3ddf928
callisto: we don't need a custom init.parts.rc

Change-Id: I0980ad5f0aeb39b87fee6085294bb873adcbd30a
Add keylayout & keychars for sec_keypad input device

Change-Id: I0d7bef66adf49ae5d5f40e859c89d52799aa70b7
callisto: set camera configuration

Change-Id: Ifaf71f0756a932fb66c13feca510be523baa3e11