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

Change-Id: I59d2e15b297b6ca2d5eee1a6dee642bdb01a3839

hipamd/tests/src/g++/hipMalloc.cpp

@@ -18,8 +18,8 @@
  * */
 
 /* HIT_START
- * BUILD_CMD: hipMalloc %cxx -D__HIP_PLATFORM_HCC__ -I%hip-path/include -I/opt/rocm/include %S/%s -Wl,--rpath=%hip-path/lib %hip-path/lib/libamdhip64.so -o %T/%t -std=c++11 EXCLUDE_HIP_PLATFORM nvcc
- * TEST: %t EXCLUDE_HIP_PLATFORM nvcc
+ * BUILD_CMD: hipMalloc %cxx -D__HIP_PLATFORM_HCC__ -I%hip-path/include -I/opt/rocm/include %S/%s -Wl,--rpath=%hip-path/lib %hip-path/lib/libamdhip64.so -o %T/%t -std=c++11 EXCLUDE_HIP_PLATFORM nvidia
+ * TEST: %t EXCLUDE_HIP_PLATFORM nvidia
  * HIT_END
  */