Add support for getting a connected peer from IOHS or SMPGROUP

This adds getConnectedTarget support to get a connected peer
target that is across a bus from a provided IOHS or
SMPGROUP/IOLINK target

Signed-off-by: Caleb Palmer <cnpalmer@us.ibm.com>
Change-Id: I00320cf604ea21023b702fc984efd83f137ab36d
diff --git a/test/dbus-sim-only.cpp b/test/dbus-sim-only.cpp
new file mode 100644
index 0000000..09c0e65
--- /dev/null
+++ b/test/dbus-sim-only.cpp
@@ -0,0 +1,19 @@
+#include <util/dbus.hpp>
+
+namespace util
+{
+
+namespace dbus
+{
+
+MachineType getMachineType()
+{
+    // default to Rainier 2S4U
+    MachineType machineType = MachineType::Rainier_2S4U;
+
+    return machineType;
+}
+
+} // namespace dbus
+
+} // namespace util