turnip: remove `tu_perfetto_util.c`
This MR starts by preparing tu_common.h, tu_util.h, tu_drm.h, and tu_device.h to be C++ compatible. With that, we can remove tu_perfetto_util.c.
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This MR starts by preparing tu_common.h, tu_util.h, tu_drm.h, and tu_device.h to be C++ compatible. With that, we can remove tu_perfetto_util.c.