Merge tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu into staging

Merge tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

Tanish Desai and Paolo Bonzini's tracing Rust support.

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* tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu:
  tracetool/syslog: add Rust support
  tracetool/ftrace: add Rust support
  tracetool/log: add Rust support
  log: change qemu_loglevel to unsigned
  tracetool/simple: add Rust support
  rust: pl011: add tracepoints
  rust: qdev: add minimal clock bindings
  rust: add trace crate
  tracetool: Add Rust format support
  tracetool/backend: remove redundant trace event checks
  tracetool: add CHECK_TRACE_EVENT_GET_STATE
  trace/ftrace: move snprintf+write from tracepoints to ftrace.c
  tracetool: add SPDX headers
  treewide: remove unnessary "coding" header
  tracetool: remove dead code
  tracetool: fix usage of try_import()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>