Add the RdcSmiDiagnostic module

Provides a RdcSmiDiagnostic module, which will call rocm_smi_lib.

It will support following diagnostics: Get GPU Topology, Check GPU
parameters and check processes running on the GPUs.

The grpc client and server side diagnostics function is added.

The diag module is added to the rdci.

Change-Id: I10a0cf3c20556a61373ab686f82cae75acaa40dd

include/rdc_lib/impl/RdcEmbeddedHandler.h

@@ -91,6 +91,11 @@ class RdcEmbeddedHandler: public RdcHandler {
         rdc_gpu_group_t group_id,
         rdc_diag_level_t level,
         rdc_diag_response_t* response) override;
+    rdc_status_t rdc_test_case_run(
+        rdc_gpu_group_t group_id,
+        rdc_diag_test_cases_t test_case,
+        rdc_diag_test_result_t* result) override;
+
     // Control API
     rdc_status_t rdc_field_update_all(uint32_t wait_for_update) override;