fix helm docs generation somewhat

tools/gen-helm-docs.sh

@@ -19,7 +19,7 @@ config_template="${repository}/tools/templates/docs/CONFIG.md.gotmpl"
 root="${repository}"
 
 for train in stable incubator develop non-free deprecated; do
-  for chart in ${train}/*; do
+  for chart in charts/${train}/*; do
     if [ -d "${chart}" ]; then
         maxchartversion=$(cat ${chart}/Chart.yaml | grep "^version: " | awk -F" " '{ print $2 }')
         chartname=$(basename ${chart})