amd-smi: fix cpu specific apis and header

1. provide prototype and documentation for esmi specific api.
   define structures and update classes as required
2. update cmake files as required and add esmi api to the
   amdsmi esmi integration example.

Change-Id: I753ec176f9b381e74c9646525dfd9075237bf8d9

src/amd_smi/amd_smi_socket.cc

@@ -53,6 +53,14 @@ AMDSmiSocket::~AMDSmiSocket() {
         delete processors_[i];
     }
     processors_.clear();
+    for (uint32_t i = 0; i < cpu_processors_.size(); i++) {
+        delete cpu_processors_[i];
+    }
+    cpu_processors_.clear();
+    for (uint32_t i = 0; i < cpu_core_processors_.size(); i++) {
+        delete cpu_core_processors_[i];
+    }
+    cpu_core_processors_.clear();
 }
 
 amdsmi_status_t AMDSmiSocket::get_processor_count(uint32_t* processor_count) const {
@@ -60,6 +68,26 @@ amdsmi_status_t AMDSmiSocket::get_processor_count(uint32_t* processor_count) con
     return AMDSMI_STATUS_SUCCESS;
 }
 
+amdsmi_status_t AMDSmiSocket::get_processor_count(processor_type_t type, uint32_t* processor_count) const {
+    amdsmi_status_t ret = AMDSMI_STATUS_SUCCESS;
+    switch (type) {
+    case AMD_GPU:
+        *processor_count = static_cast<uint32_t>(processors_.size());
+        break;
+    case AMD_CPU:
+        *processor_count = static_cast<uint32_t>(cpu_processors_.size());
+        break;
+    case AMD_CPU_CORE:
+        *processor_count = static_cast<uint32_t>(cpu_core_processors_.size());
+        break;
+    default:
+        *processor_count = 0;
+        ret = AMDSMI_STATUS_INVAL;
+        break;
+    }
+    return ret;
+}
+
 }  // namespace smi
 }  // namespace amd