Disable failing test p2p_copy_coherency

[ROCm/clr commit: f916a7654e]

projects/clr/hipamd/tests/src/runtimeApi/memory/p2p_copy_coherency.cpp

@@ -24,7 +24,7 @@ THE SOFTWARE.
 
 /* HIT_START
  * BUILD: %t %s ../../test_common.cpp NVCC_OPTIONS --std=c++11
- * RUN: %t 
+ * RUN: %t EXCLUDE_HIP_PLATFORM all 
  * HIT_END
  */