[GitHub Actions] Try gcc-14 with fanalyzer - Use alternatives

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>

Author: ujfalusi

.github/workflows/buildtest.yml

@@ -50,9 +50,17 @@ jobs:
           sudo apt update
           sudo apt install -y libelf-dev
 
+      - name: Leave only gcc-14 ;)
+        run: |
+          gcc --version
+          sudo apt install -y gcc-14
+          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 14
+          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-14 14
+          gcc --version
+
       - name: build start
         run: |
-          export ARCH=x86_64  KCFLAGS="-Wall -Werror -fanalyzer"
+          export CC=gcc-14 ARCH=x86_64  KCFLAGS="-Wall -Werror -fanalyzer"
           make allmodconfig
           make modules_prepare
           make -k sound/soc/sof/