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[arm64] drivers/hwtracing/coresight: Enable components

Punit Agrawal requested to merge punit/linux:enable-coresight-drivers into master

Coresight allows collecting trace from CPUs as well as adhoc software generated events. The trace can be filtered and routed to in-system buffers (ETB, main memory) as well as to external trace ports. The available trace sources and sinks are dependent on system integration choices.

Enable the Coresight drivers to support systems that integrate various trace related hardware components.

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