Include git commit in changelog URL

Signed-off-by: Evan Lezar <elezar@nvidia.com>

docker/Dockerfile.amazonlinux

@@ -65,6 +65,7 @@ CMD arch=$(uname -m) && \
     rpmbuild --clean --target=$arch -bb \
              -D "_topdir $PWD" \
              -D "release_date $(date +'%a %b %d %Y')" \
+             -D "git_commit ${GIT_COMMIT}" \
              -D "version $VERSION" \
              -D "libnvidia_container_version ${VERSION}-${RELEASE}" \
              -D "release $RELEASE" \