kfdtest: Adapt the CWSR test for emulators

The original test takes forever to run on emulators because emulators
are much slower than Asic. So intelligently detect the emulator scenarios
and reduce the run time by slashing the iteration times.

Change-Id: I087f43c04c2b23b5ab2ecaad07533b767c337e94
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>


[ROCm/ROCR-Runtime commit: 21cda69ba9]

projects/rocr-runtime/tests/kfdtest/src/KFDTestUtil.hpp

@@ -36,6 +36,7 @@ class BaseQueue;
 #define CounterToNanoSec(x) ((x) * 1000 / (is_dgpu() ? 27 : 100))
 
 void WaitUntilInput();
+HSAKMT_STATUS fscanf_dec(const char *file, uint32_t *num);
 uint64_t RoundToPowerOf2(uint64_t val);
 
 // @brief: waits until the value is written to the buffer or until time out if received through args