build: Generate package-config file

Change-Id: Id3fc546c7fabe34bc31c4030d2e196f6d7f39090
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/sdbusplus.pc.in b/sdbusplus.pc.in
new file mode 100644
index 0000000..6074514
--- /dev/null
+++ b/sdbusplus.pc.in
@@ -0,0 +1,12 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: sdbusplus
+Description: C++ bindings for systemd dbus APIs
+URL: https://github.com/openbmc/sdbusplus
+Version: @VERSION@
+Libs: -L@libdir@ -lsdbusplus
+Cflags: -I@includedir@
+