fix: use the correct FVP_RD_1_AE locally

It is in a different path.

Also fix fetch_and_archive as can generate errors.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: Ib0554483489784737238b62167bf3f67bcebc98c
diff --git a/utils.sh b/utils.sh
index 84b5a41..13cd9af 100644
--- a/utils.sh
+++ b/utils.sh
@@ -159,7 +159,7 @@
 
 fetch_and_archive() {
 	url=${url:?}
-	filename=${filename:-basename $url}
+	filename=${filename:-$(basename $url)}
 
 	url="$url" saveas="$filename" fetch_file
 	archive_file "$filename"