SWDEV-345213 - Use the right accessor

- Use correct accessor to fetch memory objects. This checks the svm map
and arena maps

Change-Id: I84515330bb530cfe2b39abf30e1e659938f06806

hipamd/src/hip_vm.hpp

@@ -38,7 +38,10 @@ public:
 
   const hipMemAllocationProp& GetProperties() const { return properties_; }
   hipMemGenericAllocationHandle_t asMemGenericAllocationHandle() { return reinterpret_cast<hipMemGenericAllocationHandle_t>(this); }
-  amd::Memory& asAmdMemory() { return *amd::MemObjMap::FindMemObj(genericAddress()); }
+  amd::Memory& asAmdMemory() {
+    size_t discardOffset;
+    return *getMemoryObject(genericAddress(), discardOffset);
+  }
   void* genericAddress() const { return ptr_; }
 };
 };