ci: Submit PR updating ports syscfg files on merge

Adds new step to the CI that creates
a Pull Request with each 'syscfg.h'
file if changes are detected.

.github/workflows/ports_syscfg_check.yml

@@ -19,12 +19,20 @@
 
 name: Check ports syscfg update
 
-on: [pull_request]
+on:
+  push:
+    branches:
+      - 'master'
+    paths:
+      - '*/syscfg.h'
 
 jobs:
   targets:
     name: Check ports syscfg update
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
@@ -52,23 +60,46 @@ jobs:
              newt upgrade --shallow=1
              rm -rf repos/apache-mynewt-nimble
              git clone .. repos/apache-mynewt-nimble
-             cd ..
       - name: Build ports tests targets
         shell: bash
         run: |
              cd build
              ./repos/apache-mynewt-nimble/porting/update_generated_files.sh
-             cd repos/apache-mynewt-nimble
       - name: Check ports syscfg (debug)
         shell: bash
         if:  runner.debug == '1'
         run: |
+              cd build/repos/apache-mynewt-nimble
               git diff
       - name: Check ports syscfg
         shell: bash
         run: |
-             git diff --quiet || (\
-               echo -e "\033[0;31mChanges in system configration files detected.";
-               echo -e "\033[0;31mRun ./repos/apache-mynewt-nimble/porting/update_generated_files.sh" \
-                       "to update NimBLE ports configurations.";
-               exit 1)
+          cd build/repos/apache-mynewt-nimble
+          if ! git diff --quiet; then
+              echo -e "\033[0;31mChanges in system configuration files detected:"
+              git diff --name-only
+              cp porting/examples/linux/include/syscfg/syscfg.h ../../../porting/examples/linux/include/syscfg/syscfg.h
+              cp porting/examples/linux_blemesh/include/syscfg/syscfg.h ../../../porting/examples/linux_blemesh/include/syscfg/syscfg.h
+              cp porting/examples/nuttx/include/syscfg/syscfg.h ../../../porting/examples/nuttx/include/syscfg/syscfg.h
+              cp porting/nimble/include/syscfg/syscfg.h ../../../porting/nimble/include/syscfg/syscfg.h
+              cp porting/npl/riot/include/syscfg/syscfg.h ../../../porting/npl/riot/include/syscfg/syscfg.h
+          else
+              echo "No changes detected in system configuration files."
+          fi
+          cd ../../..
+          rm -rf build
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v6
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: |
+            porting: Update ports syscfg
+          branch: update-ports-syscfg
+          title: "Update ports syscfg"
+          body: |
+            Update NimBLE ports configurations:
+            - Removes all /* */ comments from `syscfg.h` files.
+            - Adds the license header to each `syscfg.h` file.
+            - Auto-generated by [create-pull-request][1]
+
+            [1]: https://github.com/peter-evans/create-pull-request