trace: split out trace-soflogger.h and trace-boot.h #9597
Merged
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The SOF trace.h is a bit hard to follow as it mixes frontend and backend definitions. The frontend definitions like tr_info() are needed by all SOF builds. The backends can vary and the application traces can be routed to SOF DMA trace (sof-logger), Zephyr logging subsystem or optionally compiled out when tracing is disabled.
Improve readability of the header by moving all definitions related to the sof-logger backend to a separate trace-soflogger.h header file.