utils.sh: fetch_file: Drop -s option, add --no-progress-meter

Following another error where curl visibly did not retry:
https://ci.trustedfirmware.org/job/tf-a-builder/2093525/console,
and based on suggestions in the upstream issue:
https://github.com/curl/curl/issues/11124

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I6c31bd0b389d242566dd6f94178af6356144dc51
diff --git a/utils.sh b/utils.sh
index 34f82c7..e7d5960 100644
--- a/utils.sh
+++ b/utils.sh
@@ -141,7 +141,7 @@
 		sa="${saveas+-o $saveas}"
 		echo "Fetch: $url -> $saveas"
 		# Use curl to support file protocol
-		curl --fail --connect-timeout 10 --retry 6 -sLS $sa "$url"
+		curl --fail --no-progress-meter --connect-timeout 10 --retry 6 -LS $sa "$url"
 	else
 		sa="${saveas-.}"
 		echo "Fetch: $url -> $sa"