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

Change-Id: I59d2e15b297b6ca2d5eee1a6dee642bdb01a3839

tests/src/p2p/hipPeerToPeer_simple.cpp

@@ -24,9 +24,9 @@ THE SOFTWARE.
 
 /* HIT_START
  * BUILD: %t %s ../test_common.cpp
- * TEST: %t EXCLUDE_HIP_PLATFORM hcc rocclr
- * TEST: %t --memcpyWithPeer EXCLUDE_HIP_PLATFORM hcc rocclr
- * TEST: %t --mirrorPeers EXCLUDE_HIP_PLATFORM hcc rocclr
+ * TEST: %t EXCLUDE_HIP_PLATFORM amd
+ * TEST: %t --memcpyWithPeer EXCLUDE_HIP_PLATFORM amd
+ * TEST: %t --mirrorPeers EXCLUDE_HIP_PLATFORM amd
  * HIT_END
  */