hs-test: add missing make target for .deps.ok

Type: make

Change-Id: I8983778b4c2f5123b27aeeb1fdc4721c8e9c9160
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
diff --git a/extras/hs-test/Makefile b/extras/hs-test/Makefile
index c7fdc4e..14d95fc 100644
--- a/extras/hs-test/Makefile
+++ b/extras/hs-test/Makefile
@@ -79,6 +79,9 @@
 	bash ./script/build.sh debug
 	@touch .build.vpp
 
+.deps.ok:
+	@sudo make install-deps
+
 .PHONY: install-deps
 install-deps:
 	@rm -f .deps.ok