Implement the INI config parser

Parse the systemd.network file
to get the configuration parameter.

Change-Id: Ic9c15a46158d2f1c0948e6eca729663e87051491
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
diff --git a/Makefile.am b/Makefile.am
index 02ba4c2..6903a75 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -18,6 +18,7 @@
 		types.hpp \
 		util.hpp \
 		routing_table.hpp \
+		config_parser.hpp \
 		system_configuration.hpp
 
 phosphor_network_manager_SOURCES = \
@@ -30,7 +31,8 @@
 		xyz/openbmc_project/Network/VLAN/Create/server.cpp \
 		xyz/openbmc_project/Network/IP/Create/server.cpp \
 		util.cpp \
-		routing_table.cpp
+		routing_table.cpp \
+		config_parser.cpp
 
 CLEANFILES = \
 		xyz/openbmc_project/Network/VLAN/Create/server.cpp \