Update configure and Makefile to refer to a config path

Define a variable in configure having the information about config files

Change-Id: Ic68c02189a07d7198a4ea1ba858ec90aca9126ae
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
diff --git a/Makefile.am b/Makefile.am
index 9e49364..25e061a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,7 +11,7 @@
 CLEANFILES = led-gen.hpp
 
 led-gen.hpp: ${srcdir}/parse_led.py
-	$(PYTHON) $^ > $@
+	$(AM_V)@LEDGEN@ -d $YAML_PATH > $@
 
 phosphor_ledmanager_LDFLAGS = $(SYSTEMD_LIBS)
 phosphor_ledmanager_CFLAGS = $(SYSTEMD_CFLAGS)