Changed module api to work with nvcc and hipcc path

- Added cuda and cudart linking for nvcc path in hipcc
- Added hipMemcpyHtoD and hipMemcpyDtoH for nvcc path
- Changed hipDeviceptr to hipDeviceptr_t
- Fixed hipMemcpy*to* API signatues

Change-Id: I6ef076b507f92502efda475c83dcdcdd462afc37

src/hip_module.cpp

@@ -280,7 +280,7 @@ Kernel argument preparation.
 }
 
 
-hipError_t hipModuleGetGlobal(hipDeviceptr *dptr, size_t *bytes,
+hipError_t hipModuleGetGlobal(hipDeviceptr_t *dptr, size_t *bytes,
                               hipModule_t hmod, const char* name){
     HIP_INIT_API(name);
     hipError_t ret = hipSuccess;