[gnome-build-meta/jjardon/only_https] boards/raspberrypi-4/bsp/u-boot.bst: Use https://ftp.denx.de/

[Javier Jardón <jjardon src gnome org>]

commit 26c4683eeb33885f1ba074396ef60b4c422dcffa
Author: Javier Jardón <jjardon gnome org>
Date:   Thu Dec 30 15:00:17 2021 +0000

    boards/raspberrypi-4/bsp/u-boot.bst: Use https://ftp.denx.de/

 elements/boards/raspberrypi-4/bsp/u-boot.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/boards/raspberrypi-4/bsp/u-boot.bst b/elements/boards/raspberrypi-4/bsp/u-boot.bst
index d6b50fb9e..9d1f67e30 100644
--- a/elements/boards/raspberrypi-4/bsp/u-boot.bst
+++ b/elements/boards/raspberrypi-4/bsp/u-boot.bst
@@ -2,7 +2,7 @@ kind: manual
 
 sources:
 - kind: tar
-  url: ftp://ftp.denx.de/pub/u-boot/u-boot-2020.07-rc2.tar.bz2
+  url: https://ftp.denx.de/pub/u-boot/u-boot-2020.07-rc2.tar.bz2
 
 depends:
 - freedesktop-sdk.bst:bootstrap-import.bst