Add distinguish for iommuv2/dgpu_fallback when getting gpuName

The memory tests between iommuv2 and dgpu_fallback are different.So it
needs to ditinguish them.

Change-Id: Icc64e9ae0fc1638c3d148795a5f247d9e5e8e503
Signed-off-by: changzhu <Changfeng.Zhu@amd.com>

tests/kfdtest/scripts/kfdtest.exclude

@@ -173,10 +173,16 @@ FILTER[vega20]=\
 "KFDEvictTest.BurstyTest:"\
 "KFDQMTest.GPUDoorbellWrite"
 
+FILTER[raven_dgpuFallback]=\
+"$BLACKLIST_ALL_ASICS:"\
+"KFDMemoryTest.MMBench:"\
+"KFDMemoryTest.MemoryRegister:"\
+"KFDQMTest.SdmaConcurrentCopies"
+
 FILTER[raven]=\
 "$BLACKLIST_ALL_ASICS:"\
-"KFDQMTest.QueueLatency:"\
-"KFDQMTest.SdmaEventInterrupt"
+"KFDQMTest.SdmaConcurrentCopies:"\
+"KFDQMTest.MultipleCpQueuesStressDispatch"
 
 FILTER[renoir]=\
 "$BLACKLIST_ALL_ASICS:"\