esmi library header changes

1. New processor types AMD_CPU_CORE, AMD_APU added to ENUM
2. esmi errorcodes, wrappers for structures and library APIs
3. Macro introduced to enable/disable the esmi library code

Change-Id: Ia64b29303c231d3f17ac6b40fcd09b09b4380903

CMakeLists.txt

@@ -95,6 +95,7 @@ set(SHR_MUTEX_DIR "${PROJECT_SOURCE_DIR}/third_party/shared_mutex")
 if(ENABLE_ESMI_LIB)
 if((EXISTS ${PROJECT_SOURCE_DIR}/e_smi_library/src) AND (EXISTS ${PROJECT_SOURCE_DIR}/e_smi_library/src/e_smi_plat.c))
 	set(ESMI_AVAILABLE TRUE)
+    add_definitions("-DENABLE_ESMI_LIB=1")
 else()
 	message("E-smi source not found. Errors will be encountered during compilation!!!")
 endif()