Fix prompt for validate check [ci skip]

scripts/init-submodules-no-riscv-tools-nolog.sh

@@ -52,7 +52,7 @@ tag_ret_code=$?
 set -e
 if [ $tag_ret_code -ne 0 ]; then
     if [ "$SKIP_VALIDATE" = false ]; then
-        read -p "WARNING: You are not on an official release of Chipyard.\nType \"y\" to continue if this is intended, otherwise see https://chipyard.readthedocs.io/en/stable/Chipyard-Basics/Initial-Repo-Setup.html#setting-up-the-chipyard-repo: " validate
+        read -p "WARNING: You are not on an official release of Chipyard."$'\n'"Type \"y\" to continue if this is intended, otherwise see https://chipyard.readthedocs.io/en/stable/Chipyard-Basics/Initial-Repo-Setup.html#setting-up-the-chipyard-repo: " validate
         [[ $validate == [yY] ]] || exit 3
         echo "Setting up non-official Chipyard release"
     fi