[VOL-2364] handle sub-sequent onuDiscoveryIndication

If ChildDeviceDetected times out then the device never receives the
"enable" call. With this patch we are allowing the device to send a new
discovery indication to retry the process (the OpenOlt agent keeps
sending discovery until an "enable" call is received for that device)

Change-Id: I6a2f5d5e9b0a001361bdca1feb14ca22cf092138
diff --git a/Makefile b/Makefile
index df0fcae..afc36aa 100644
--- a/Makefile
+++ b/Makefile
@@ -149,7 +149,7 @@
 	@[[ `git ls-files --exclude-standard --others go.mod go.sum vendor` == "" ]] || (echo "ERROR: Untracked files detected after running go mod tidy / go mod vendor" && echo "`git status`" && exit 1)
 	@echo "Vendor check OK."
 
-lint: lint-style lint-sanity lint-mod lint-dockerfile
+lint: local-lib-go lint-style lint-sanity lint-mod lint-dockerfile
 
 test:
 	@mkdir -p ./tests/results