Application stub and build rules

Create a basic autoconf setup.

Change-Id: I3135aded1be79ca552b564b2575be7a20fad0285
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..3c1e3c8
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,4 @@
+sbin_PROGRAMS = phosphor-inventory
+
+phosphor_inventory_SOURCES = \
+	app.cpp