lego1: implement MxTimer + dependencies

LEGO1/mxomni.cpp

@@ -0,0 +1,15 @@
+#include "mxomni.h"
+
+MxResult MxOmni::Create(const MxOmniCreateParam &p)
+{
+  if (p.CreateFlags().CreateTimer())
+  {
+    MxTimer *timer = new MxTimer();
+    this->m_Timer = timer;
+
+    if (timer == NULL)
+      return FAILURE;
+  }
+
+  return SUCCESS;
+}