ada-tests: Move to testsuites/ada

This solves a build dependency issue, e.g. building tests before
librtemsbsp.a exists.

Close #3079.

testsuites/ada/support/timer_driver.adb

@@ -0,0 +1,59 @@
+--
+--  Timer_Driver / Body
+--
+--  Description:
+--
+--  This package is the body for the Timer Driver.
+--
+--  Dependencies: 
+--
+--  
+--
+--  COPYRIGHT (c) 1989-2009.
+--  On-Line Applications Research Corporation (OAR).
+--
+--  The license and distribution terms for this file may in
+--  the file LICENSE in this distribution or at
+--  http://www.rtems.org/license/LICENSE.
+--
+
+with Interfaces;
+
+package body Timer_Driver is
+
+--PAGE
+--
+--  Empty_function
+--
+--
+   procedure Empty_Function 
+   is
+   begin
+      Null;
+   end Empty_Function;
+
+--PAGE
+--
+--  Set_Find_Average_Overhead
+--
+--
+ 
+   procedure Set_Find_Average_Overhead (
+      Find_Flag : in     Standard.Boolean
+   ) is
+      procedure Set_Find_Average_Overhead_base (
+         Find_Flag : in     Interfaces.Unsigned_8
+      );
+      pragma Import (C, Set_Find_Average_Overhead_base,
+         "benchmark_timer_disable_subtracting_average_overhead");
+      c: Interfaces.Unsigned_8;
+   begin
+      if Find_Flag then
+        c := 1;
+      else
+        c := 0;
+      end if;
+      Set_Find_Average_Overhead_base (c);
+   end Set_Find_Average_Overhead;
+
+end Timer_Driver;