cpu: add basic files for LoopPoint analysis

Because the LoopPoint analysis will be done with ATOMIC CPU, so all
files related to the LoopPoint analysis object will be under
/src/cpu/simple/probes.

Change-Id: Icbdb0742b712a23dc8f6a19f4c1c827a1f5bf288

src/cpu/simple/probes/SConscript

@@ -31,3 +31,10 @@ Import('*')
 if env['CONF']['BUILD_ISA']:
     SimObject('SimPoint.py', sim_objects=['SimPoint'])
     Source('simpoint.cc')
+
+    SimObject(
+        'LooppointAnalysis.py',
+        sim_objects=['LooppointAnalysis','LooppointAnalysisManager']
+    )
+    Source('looppoint_analysis.cc')
+    DebugFlag("LooppointAnalysis")