Add SOL manager and event loop to the Singleton pool

Change-Id: Id619d9b674bcc739cb013042a39d5ae2d38571d2
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/main.hpp b/main.hpp
index cfb80c6..2b5f509 100644
--- a/main.hpp
+++ b/main.hpp
@@ -4,9 +4,14 @@
 
 #include <command_table.hpp>
 #include <sessions_manager.hpp>
+#include "sol/sol_manager.hpp"
+#include "sd_event_loop.hpp"
 
-extern std::tuple<session::Manager&, command::Table&> singletonPool;
+extern std::tuple<session::Manager&, command::Table&,
+                  eventloop::EventLoop&, sol::Manager&> singletonPool;
 
 // Select call timeout is set arbitarily set to 30 sec
 static constexpr size_t SELECT_CALL_TIMEOUT = 30;
 static const auto IPMI_STD_PORT = 623;
+
+extern sd_bus* bus;