CI: add gitlab config

Signed-off-by: Stefano Babic <sbabic@denx.de>

.gitlab-ci.yml

@@ -0,0 +1,32 @@
+# SPDX-FileCopyrightText: 2021 Stefano Babic <sbabic@denx.de>
+#
+# SPDX-License-Identifier: MIT
+
+ubuntu-focal:
+  image: ubuntu:focal
+  stage: build
+  before_script:
+    - export DEBIAN_FRONTEND=noninteractive
+    - export TZ=Europe/London
+    - apt-get -qq update
+    - apt-get install -y build-essential
+    - apt-get install -y linux-headers-generic
+    - apt-get install -y linux-libc-dev
+    - apt-get install -y cmake
+    - apt-get install -y zlib1g
+    - apt-get install -y zlib1g-dev
+    - apt-get install -y curl
+    - apt-get install -y git
+ 
+  script:
+    - if [ ! -d Debug ];then mkdir Debug;fi
+    - cd Debug
+    - cmake -DCMAKE_BUILD_TYPE=Debug ..
+    - if [ $CI_COMMIT_BRANCH == "coverity_scan" ]; then
+        curl -o /tmp/cov-analysis-linux64.tgz https://scan.coverity.com/download/linux64 --form project=$COVERITY_SCAN_PROJECT_NAME --form token=$COVERITY_SCAN_TOKEN;
+        tar xfz /tmp/cov-analysis-linux64.tgz;
+        cov-analysis-linux64-*/bin/cov-build --dir cov-int make;
+        tar cfz cov-int.tar.gz cov-int;
+        curl https://scan.coverity.com/builds?project=$COVERITY_SCAN_PROJECT_NAME --form token=$COVERITY_SCAN_TOKEN --form email=$GITLAB_USER_EMAIL --form file=@cov-int.tar.gz --form version="`git describe --tags`" --form description="`git describe --tags` / $CI_COMMIT_TITLE / $CI_COMMIT_REF_NAME:$CI_PIPELINE_ID ";
+      fi
+    - make