Temporarily disable P2P on nvidia (fails on dual GPU)

[ROCm/clr commit: fc34fd6f03]

projects/clr/hipamd/tests/src/runtimeApi/memory/hipMemcpyPeerAsync.cpp

@@ -23,7 +23,7 @@ THE SOFTWARE.
  */
 
 /* HIT_START
- * BUILD: %t %s ../../test_common.cpp
+ * BUILD: %t %s ../../test_common.cpp  EXCLUDE_HIP_PLATFORM nvcc
  * RUN: %t
  * HIT_END
  */