GPU: Partially implemented the QUERY_* registers in the Maxwell3D engine.

* audren_u: Schedule reoccuring event.

* audren_u: Stub GetAudioRenderersProcessMasterVolume, and misc. changes.

VI cleanup and add a hack for booting games

Service/lm: add support to multiline logs

arm_dynarmic: Support direct page table access

Stub RequestUpdateAudioRenderer, StartAudioRenderer and StopAudioRenderer

GPU: Added a command processor to decode the GPU pushbuffers and forward the commands to their respective engines

Only QueryMode::Write is supported at the moment.

Also moved the GPU MemoryManager class to video_core since it makes more sense for it to be there.

GPU: Added a command processor to decode the GPU pushbuffers and forward the commands to their respective engines.

Several misc. VI fixes

More fixes for Libnx

- Another fix for libnx.