azure/gitLab/travis: Add pygit2 as a dependency for tests

This lets patman run all of its tests, rather than skipping quite a few.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index a78c8d6..620696c 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -140,7 +140,7 @@
           export USER=azure
           virtualenv -p /usr/bin/python3 /tmp/venv
           . /tmp/venv/bin/activate
-          pip install pyelftools pytest
+          pip install pyelftools pytest pygit2
           export UBOOT_TRAVIS_BUILD_DIR=/tmp/sandbox_spl
           export PYTHONPATH=${UBOOT_TRAVIS_BUILD_DIR}/scripts/dtc/pylibfdt
           export PATH=${UBOOT_TRAVIS_BUILD_DIR}/scripts/dtc:${PATH}
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b1e0b3b..4b06808 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -161,7 +161,7 @@
       export USER=gitlab;
       virtualenv -p /usr/bin/python3 /tmp/venv;
       . /tmp/venv/bin/activate;
-      pip install pyelftools pytest;
+      pip install pyelftools pytest pygit2;
       export UBOOT_TRAVIS_BUILD_DIR=/tmp/sandbox_spl;
       export PYTHONPATH="${UBOOT_TRAVIS_BUILD_DIR}/scripts/dtc/pylibfdt";
       export PATH="${UBOOT_TRAVIS_BUILD_DIR}/scripts/dtc:${PATH}";
diff --git a/.travis.yml b/.travis.yml
index cb48ff3..69829fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,6 +26,7 @@
     - python3-sphinx
     - python3-virtualenv
     - python3-pip
+    - python3-pygit2
     - swig
     - libpython-dev
     - iasl