gitlab-ci: Use evergreen

This is the most common image so use that for tests

.gitlab-ci.yml

@@ -34,7 +34,7 @@ test:download:deb:
     - apt-get -y install $FLASHDEPS
     - rm -rf output
   script:
-    - scripts/librem5-flash-image --board librem5r3 --variant plain  --dist amber-phone --skip-flash --skip-cleanup --dir=download/
+    - scripts/librem5-flash-image --board librem5r4 --variant plain  --dist amber-phone --skip-flash --skip-cleanup --dir=download/
     - ls -l download/librem5*.img download/flash_librem5*.lst  download/u-boot-librem5*.imx
     - mkdir -p output/
     - cp download/flash_*.lst output/
@@ -54,7 +54,7 @@ test:download:pip:
     - virtualenv --python=python3 test-download
     - source test-download/bin/activate
     - pip install -r requirements.txt
-    - python3 scripts/librem5-flash-image --board librem5r3 --variant plain  --dist amber-phone --skip-flash --skip-cleanup --dir=download/
+    - python3 scripts/librem5-flash-image --board librem5r4 --variant plain  --dist amber-phone --skip-flash --skip-cleanup --dir=download/
     - ls -l download/librem5*.img download/flash_librem5*.lst  download/u-boot-librem5*.imx
     - rm -rf download