bootloaders: Use https:// for ATF

git:// seems to fail using repo.

Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>

bootloaders.xml

@@ -3,7 +3,7 @@
     <remote name="baylibre" fetch="https://gitlab.baylibre.com/baylibre/ti/" />
     <remote name="ti" fetch="git://git.ti.com/" />
     <remote name="github" fetch="https://github.com/" />
-    <remote name="tf-a" fetch="git://git.trustedfirmware.org/" />
+    <remote name="tf-a" fetch="https://git.trustedfirmware.org/" />
 
     <project name="android/bootloader/build-bootloaders.git" path="build" remote="baylibre" revision="ti-android-15" />
     <project name="ti-u-boot" path="u-boot" remote="baylibre" revision="integ/ti-u-boot-2024.04" />