github actions build and run emlid navio2 on hardware

.github/workflows/hardware_tests_linux.yml

@@ -0,0 +1,29 @@
+name: Hardware Linux
+
+on:
+  push:
+    branches:
+    - 'master'
+
+jobs:
+  build:
+    runs-on: [emlid_navio2]
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Build
+      env:
+        CCACHE_BASEDIR: ${GITHUB_WORKSPACE}
+      run: |
+          make distclean
+          ccache -z
+          make emlid_navio2_default
+          ccache -s
+
+    # sanity check
+    - name: Sanity check
+      run: cd build/emlid_navio2_default/ && ./bin/px4 -s ../../posix-configs/rpi/px4_test.config
+
+    - name: Upload log to flight review
+      run: find . -name *.ulg
+      #run: ./Tools/upload_log.py -q --description "${GITHUB_WORKFLOW} ${GITHUB_RUN_ID}" --feedback "${GITHUB_WORKFLOW} ${GITHUB_RUN_ID} ${GITHUB_REPOSITORY} ${GITHUB_REF}" --source CI ./build/px4_sitl_default/tmp/rootfs/log/*/*.ulg