Add FW Version in journalctl log

Adds version logging for BIOS active
version on every AC cycle and BMC reboot.
Log format: VERSION INFO - BIOS - <version info>
Where <version info> is the set of
letters and numbers describing the version.
User can retrieve FW versions by running:
journalctl | grep "VERSION INFO":

Tested:
AC Cycle:
VERSION INFO - BIOS - xxxxxxxx.xxx.xxxx.xxx.xxxxxxxxxx

BMC reboot:
VERSION INFO - BIOS - xxxxxxxx.xxx.xxxx.xxx.xxxxxxxxxx

Change-Id: Ibac6886aa2e1187fca83e36c870a0f887b20e4f6
Signed-off-by: Alex Schendel <alex.schendel@intel.com>
diff --git a/include/mdrv2.hpp b/include/mdrv2.hpp
index baacd0c..2cdcc45 100644
--- a/include/mdrv2.hpp
+++ b/include/mdrv2.hpp
@@ -29,6 +29,7 @@
 #include <boost/asio/steady_timer.hpp>
 #include <boost/container/flat_map.hpp>
 #include <phosphor-logging/elog-errors.hpp>
+#include <phosphor-logging/lg2.hpp>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 #include <sdbusplus/server.hpp>