VOL-669 Openolt adapter - A generic, white box OLT adapter.

Change-Id: I064b4a2c37835caf6afa523d1ce7c052e089df91
diff --git a/Makefile b/Makefile
index 984d397..7b6c8f7 100644
--- a/Makefile
+++ b/Makefile
@@ -245,6 +245,7 @@
 
 voltha-adapters:
 	make -C voltha/adapters/asfvolt16_olt
+	make -C voltha/adapters/openolt
 
 ofagent:
 ifneq ($(VOLTHA_BUILD),docker)