DeviceSettings: Fix charger currency preference being always disabled on app startup
DeviceSettings: Move previous GPU settings to GPU category
DeviceSettings: Add mali gpu fullspeed clock setting, general cleanup, move isSupported function to Utils, etc
DeviceSettings: Fullspeed is enabled by default
DeviceSettings: Reset EOC status when Real EOC is reached
Merge pull request #37 from TeamCanjica/cm-11.0

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