* Commit missing Ocarina_Library file

        For openaadl/ocarina#154

resources/AADLv2/ocarina_library.aadl

+package Ocarina_Library
+public
+  with Ocarina_Config;
+
+  system Default_PolyORB_HI_C_Config
+  properties
+    Ocarina_Config::Timeout_Property     => 4000ms;
+
+    Ocarina_Config::AADL_Files =>
+    (Ocarina_Config::Ocarina_Driver_Library);
+
+    Ocarina_Config::Generator            => PolyORB_HI_C;
+
+    Ocarina_Config::Needed_Property_Sets =>
+    (Ocarina_Config::Data_Model,
+    Ocarina_Config::ARINC653_Properties,
+    Ocarina_Config::Deployment,
+    Ocarina_Config::Cheddar_Properties);
+    Ocarina_Config::AADL_Version         => AADLv2;
+
+  end Default_PolyORB_HI_C_Config;
+
+end Ocarina_Library;
\ No newline at end of file