Add MMC layout

Add support for eMMC layout. The actual update of the image will
be handled by the BMC updater since the image file will be
packaged in a single tarball, but the eMMC still needs to have
some services to setup the host firmware mounts for the virtual
pnor configuration to use. Therefore the functions are empty.

Change-Id: Iaa052342a2bb66e46ab7b59bdcd5631f3dfc2999
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/mmc/activation_mmc.cpp b/mmc/activation_mmc.cpp
new file mode 100644
index 0000000..67ad55a
--- /dev/null
+++ b/mmc/activation_mmc.cpp
@@ -0,0 +1,30 @@
+#include "activation_mmc.hpp"
+
+namespace openpower
+{
+namespace software
+{
+namespace updater
+{
+namespace softwareServer = sdbusplus::xyz::openbmc_project::Software::server;
+
+auto ActivationMMC::activation(Activations value) -> Activations
+{
+    return softwareServer::Activation::activation(value);
+}
+
+void ActivationMMC::startActivation()
+{
+}
+
+void ActivationMMC::unitStateChange(sdbusplus::message::message& msg)
+{
+}
+
+void ActivationMMC::finishActivation()
+{
+}
+
+} // namespace updater
+} // namespace software
+} // namespace openpower