fix(test): s/t/z-w-s-b.sh: Fixup refactoring on unid

I noticed this small glitch without consequence

Origin: #148
Signed-off-by: Philippe Coval <philippe.coval@silabs.com>

Author: rzr

scripts/tests/z-wave-stack-binaries-test.sh

@@ -319,7 +319,7 @@ node_cli_()
                          | tail -n 1 | sed -e 's|NODE_ID: \(.*\)|\1|g' )
             echo "NODE_ID: ${nodeid}"
             nodeidhex=$(printf "%04X" $nodeid)
-            nodeunid="zw-$homeid-$nodeidhex" # Unify Node Id
+            nodeunid="zw-$nodehomeid-$nodeidhex" # Unify Node Id
             echo "NODE_UNID: ${nodeunid}"
             ;;
         *)