Used wrong bash notation, attempting to fix

Author: BujSet

.ci/scripts/setup-arm-baremetal-tools.sh

@@ -8,8 +8,8 @@
 # Setup arm example environment (including TOSA tools)
 git config --global user.email "[email protected]"
 git config --global user.name "Github Executorch"
-if [[ -z "$#" || "$#" -eq 0 ]]; then
+if [[ "$#" -eq 0 ]]; then
     bash examples/arm/setup.sh --i-agree-to-the-contained-eula
 else
-    bash examples/arm/setup.sh --i-agree-to-the-contained-eula "$#"
+    bash examples/arm/setup.sh --i-agree-to-the-contained-eula "$@"
 fi