test(ci): Check if we build c6

Author: david-cermak

.github/workflows/modem_sim__build.yml

@@ -27,6 +27,6 @@ jobs:
           export IDF_PATH=$GITHUB_WORKSPACE/idf
           ${IDF_PATH}/install.sh
           cd common_components/modem_sim
-          ./install.sh
+          ./install.sh PLATFORM_ESP32C6 ESP32C6-4MB 16 17
           source export.sh
           idf.py build