update mscclpp (#1488)

* update commit hash for mscclpp submodule

* update mscclpp submodule

* remove print messages in cmake

* add back some print messages, update MSCLPP CMAKE_ARGS

* enable MSCCL++ patches regardless of finding mscclpp_nccl package

src/include/mscclpp/mscclpp_nccl.h

@@ -46,6 +46,10 @@ extern "C" {
   bool mscclpp_BuffIsRegistered(mscclppComm_t comm, const void* buff, size_t count);
 
   size_t mscclpp_BufferSize(mscclppComm_t comm, void* handle);
+
+  ncclResult_t mscclpp_ncclMemAlloc(void** ptr, size_t size);
+
+  ncclResult_t mscclpp_ncclMemFree(void* ptr);
 }
 
 namespace std {