Enable gfx94x (#808) (#816)

(cherry picked from commit 94da229a7788d74685d1591a4e75a8341de64f41)

[ROCm/rccl commit: a7fcd58a97]

projects/rccl/src/misc/npkit.cc

@@ -120,7 +120,13 @@ ncclResult_t NpKit::Dump(const std::string& dump_dir) {
   dump_file_path = dump_dir;
   dump_file_path += "/gpu_clock_rate_rank_";
   dump_file_path += std::to_string(rank_);
-  constexpr int vega_gpu_rtc_freq_in_khz = 25000;
+  hipDeviceProp_t devProp;
+  int vega_gpu_rtc_freq_in_khz;
+  CUDACHECK(hipGetDeviceProperties(&devProp, 0));
+  if (devProp.gcnArch/10 == 94)
+    vega_gpu_rtc_freq_in_khz = 100000;
+  else
+    vega_gpu_rtc_freq_in_khz = 25000;
   std::string clock_rate_str = std::to_string(vega_gpu_rtc_freq_in_khz);
   auto gpu_clock_rate_file = std::fstream(dump_file_path, std::ios::out);
   gpu_clock_rate_file.write(clock_rate_str.c_str(), clock_rate_str.length());