Added amdsmi cpu family & cpu model

- Updated header and source files
- Updated python interface
- Generated python wrapper for updated header
- Updated the CLI to have cpu family & cpu model
  as part of metric table

Change-Id: Iea440251797270d5d29ffe883b0ad6db790be658

include/amd_smi/impl/amd_smi_system.h

@@ -75,6 +75,9 @@ class AMDSmiSystem {
     amdsmi_status_t gpu_index_to_handle(uint32_t gpu_index,
                     amdsmi_processor_handle* processor_handle);
 
+    amdsmi_status_t get_cpu_family(uint32_t *cpu_family);
+
+    amdsmi_status_t get_cpu_model(uint32_t *cpu_model);
  private:
     AMDSmiSystem() : init_flag_(AMDSMI_INIT_AMD_GPUS) {}