add offset back for c6 and debug c6

Author: brentru

.github/workflows/build-clang-doxy.yml

@@ -251,6 +251,10 @@ jobs:
           - offset: "0x1000"
           - offset: "0x0"
             arduino-platform: "wippersnapper_qtpy_esp32c3"
+          - offset: "0x0"
+            arduino-platform: "wippersnapper_feather_esp32c6"
+          - offset: "0x0"
+            arduino-platform: "wippersnapper_feather_esp32c6_debug"
     steps:
       - uses: actions/setup-python@v5
         with: