Add IPC Events support

Change-Id: Iac2bf3d5e1d9a993bebbb066c20d300d6f05558b

rocclr/hip_device_runtime.cpp

@@ -502,22 +502,6 @@ hipError_t hipGetDeviceFlags ( unsigned int* flags ) {
   HIP_RETURN(hipSuccess);
 }
 
-hipError_t hipIpcGetEventHandle ( hipIpcEventHandle_t* handle, hipEvent_t event ) {
-  HIP_INIT_API(hipIpcGetEventHandle, handle, event);
-
-  assert(0 && "Unimplemented");
-
-  HIP_RETURN(hipErrorNotSupported);
-}
-
-hipError_t hipIpcOpenEventHandle ( hipEvent_t* event, hipIpcEventHandle_t handle ) {
-  HIP_INIT_API(hipIpcOpenEventHandle, event, handle);
-
-  assert(0 && "Unimplemented");
-
-  HIP_RETURN(hipErrorNotSupported);
-}
-
 hipError_t hipSetDevice ( int  device ) {
   HIP_INIT_API(hipSetDevice, device);