Add tma_info_system_socket_clks and uncore_freq metrics that require a
broadwellx style uncore event for UNC_CLOCK.

The associated converter script fix is in:
https://github.com/intel/perfmon/pull/112

Fixes: 7d124303 ("perf vendor events intel: Update broadwell variant events/metrics")
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Perry Taylor <perry.taylor@intel.com>
Link: https://lore.kernel.org/r/20230926205948.1399594-2-irogers@google.comSigned-off-by: Namhyung Kim <namhyung@kernel.org>