Merge branch 'ci_tests' of https://git.eit.uni-kl.de/ems/astdm/dram.sys into ci_tests

.gitlab-ci.yml

@@ -20,8 +20,9 @@ build:
         - rm -rf build
         - mkdir -p build
         - cd build
+        - export COVERAGE=true
         - cmake ../DRAMSys
-        - make -j4
+        - make -j 24
         - find . -name "*.o" -type f -delete
         # Create Base file to cover all lines
         - mkdir -p ${CI_PROJECT_DIR}/coverage