cmake hip-rocclr as default build,change HIP_PLATFORM to amd|nvidia

Change-Id: I59d2e15b297b6ca2d5eee1a6dee642bdb01a3839

hipamd/tests/src/runtimeApi/stream/hipStreamACb_MultiCalls.cpp

@@ -21,7 +21,7 @@
 // when hipStreamAddCallback() is called back to back multiple calls
 
 /* HIT_START
- * BUILD: %t %s ../../test_common.cpp NVCC_OPTIONS --std=c++11 EXCLUDE_HIP_PLATFORM nvcc
+ * BUILD: %t %s ../../test_common.cpp NVCC_OPTIONS --std=c++11 EXCLUDE_HIP_PLATFORM nvidia
  * TEST: %t
  * HIT_END
  */