Single variants list

src/freedombone-utils-selector

             if grep -q "VARIANTS=" ${filename}; then
                 variants_list=$(app_variants $filename)
                 if [[ "${variants_list}" == 'all'* || \
+                      "${variants_list}" == "$variant_name" || \
                       "${variants_list}" == "$variant_name "* || \
                       "${variants_list}" == *" $variant_name "* || \
                       "${variants_list}" == *" $variant_name" ]]; then