ci: Add workflow for testing various GCC versions

This will help make sure we build correctly with more GCC version.

.github/workflows/build_cc_target.yml

@@ -0,0 +1,62 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+name: Build check
+
+on: [push, pull_request]
+
+jobs:
+  targets:
+    name: Build GCC test target
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        gcc: ['12.2.Rel1', '11.3.Rel1', '10.3-2021.10', '9-2019-q4', '8-2018-q4']
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 'stable'
+      - uses: carlosperate/arm-none-eabi-gcc-action@48db4484a55750df7a0ccca63347fcdea6534d78
+        with:
+          release: ${{ matrix.gcc }}
+      - name: Install newt
+        shell: bash
+        run: |
+             go version
+             go install mynewt.apache.org/newt/newt@latest
+      - name: Setup project
+        shell: bash
+        run: |
+             newt new build
+             cp -f .github/project.yml build/project.yml
+             cd build
+             newt upgrade --shallow=1
+             rm -rf repos/apache-mynewt-nimble
+             git clone .. repos/apache-mynewt-nimble
+             rm -rf targets
+             cd ..
+      - name: Build targets
+        shell: bash
+        run: |
+             cp -r .github/targets_linux build/targets
+             cd build
+             newt build -j 1 nordic_pca10056_btshell_all