SWDEV-299162 - Add new comgr API to demangle names

Change-Id: I84174d7e40e9afff9a8ea135abadb69d580478e0

rocclr/device/comgrctx.cpp

@@ -85,6 +85,7 @@ bool Comgr::LoadLib() {
   GET_COMGR_SYMBOL(amd_comgr_iterate_symbols)
   GET_COMGR_SYMBOL(amd_comgr_symbol_lookup)
   GET_COMGR_SYMBOL(amd_comgr_symbol_get_info)
+  GET_COMGR_SYMBOL(amd_comgr_demangle_symbol_name)
   is_ready_ = true;
   return true;
 }