uboot-test-hooks: Switch to our GitLab instance

As Stephen is no longer actively maintaining the uboot-test-hooks
repository, switch to using the instance on our GitLab.

Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bfcbb9f..cd38e65 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,7 +15,7 @@
   stage: test.py
   before_script:
     # Clone uboot-test-hooks
-    - git clone --depth=1 git://github.com/swarren/uboot-test-hooks.git /tmp/uboot-test-hooks
+    - git clone --depth=1 https://source.denx.de/u-boot/u-boot-test-hooks /tmp/uboot-test-hooks
     - ln -s travis-ci /tmp/uboot-test-hooks/bin/`hostname`
     - ln -s travis-ci /tmp/uboot-test-hooks/py/`hostname`
     - grub-mkimage --prefix="" -o ~/grub_x86.efi -O i386-efi normal  echo lsefimmap lsefi lsefisystab efinet tftp minicmd