easy-soc-lib: Fixing the pipeline

.gitlab-ci.yml

 include:
   - project: 'iopsys/gitlab-ci-pipeline'
     file: '/static-code-analysis.yml'
+    ref: '0.27'
 
 stages:
     - static_code_analysis
@@ -10,4 +11,3 @@ variables:
   SOURCE_FOLDER: "libdsl libethernet libwifi"
   RUN_CPPCHECK: "cppcheck --enable=all --error-exitcode=1 --suppress=unusedFunction --suppress=unusedStructMember --suppress=unusedLabel --suppress=variableScope --suppress=unreadVariable --suppress=knownConditionTrueFalse --suppress=constParameter --suppress=constVariable -DCONFIG_BCM_MAX_GEM_PORTS=32 ."
   RUN_CPD: "/home/user/pmd-bin-6.19.0/bin/run.sh cpd --minimum-tokens 2500 --language c --exclude ./img --files"
-  COMMON_IMAGE: iopsys/code-analysis:0.27