Implement startEventLoop and handler function for IPMI packets

The startEventLoop would start the sd_event_loop and register
the handler for IPMI incoming packets on UDP standard port 623.

Change-Id: Ia8ff44961686c1bf715413ff58bd60d7c71f1be1
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/configure.ac b/configure.ac
index 715bf56..3b7a75b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,6 +42,7 @@
 # Checks for libraries.
 PKG_CHECK_MODULES([SYSTEMD], [libsystemd >= 221])
 PKG_CHECK_MODULES([CRYPTO], [libcrypto >= 1.0.2g], ,[AC_MSG_ERROR([can't find openssl libcrypto])])
+PKG_CHECK_MODULES([PHOSPHOR_LOGGING], [phosphor-logging],, [AC_MSG_ERROR([Could not find phosphor-logging...openbmc/phosphor-logging package required])])
 AC_CHECK_LIB([mapper], [mapper_get_service], ,[AC_MSG_ERROR([Could not find libmapper...openbmc/phosphor-objmgr package required])])
 
 # Checks for header files.