[VOL-2780]

Rename docker image created by ofagent-go repo from `ofagent-go` to
`voltha-ofagent-go`

Change-Id: Ie2b35acc5e8feb430fecf66894203f9279b27781
diff --git a/Makefile b/Makefile
index 6918965..0a0d677 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@
 DOCKER_REGISTRY            ?=
 DOCKER_REPOSITORY          ?=
 DOCKER_TAG                 ?= ${VERSION}$(shell [[ ${DOCKER_LABEL_VCS_DIRTY} == "true" ]] && echo "-dirty" || true)
-ADAPTER_IMAGENAME          := ${DOCKER_REGISTRY}${DOCKER_REPOSITORY}ofagent-go
+ADAPTER_IMAGENAME          := ${DOCKER_REGISTRY}${DOCKER_REPOSITORY}voltha-ofagent-go
 
 ## Docker labels. Only set ref and commit date if committed
 DOCKER_LABEL_VCS_URL       ?= $(shell git remote get-url $(shell git remote))