ci: wifi: Add Linux build

Add an action to verify Linux driver builds with the OSAL changes,
Zephyr build is tested as part of NCS.

Signed-off-by: Chaitanya Tata <[email protected]>

.github/workflows/nrf_wifi_build.yml

@@ -0,0 +1,77 @@
+name: Linux build
+
+on:
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    # Latest kernel versions won't work for nRF70 driver (this has 5.15)
+    runs-on: ubuntu-20.04
+
+    steps:
+      - name: Update PATH for west
+        run: |
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+      - name: Checkout the code
+        uses: actions/checkout@v3
+        with:
+          path: ncs/nrfxlib
+          ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          patch: npg/linux
+          repository: NordicPlayground/nrf70-linux-driver
+          ref: main
+          fetch-depth: 0
+
+      - name: cache-pip
+        uses: actions/cache@v3
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-doc-pip
+
+      - name: Install dependencies
+        run: |
+          sudo apt install device-tree-compiler
+
+      - name: Install python dependencies
+        run: |
+          pip3 install setuptools
+          pip3 install wheel
+          pip3 install python-magic lxml junitparser gitlint pylint pykwalify yamllint
+          pip3 install west
+
+      - name: Prepare Linux build
+        working-directory: npg/linux
+        run: |
+          cp ../../ncs/nrfxlib/nrf_wifi ../nrf
+          ls -l ../
+
+      - name: make
+        env:
+          BASE_REF: ${{ github.base_ref }}
+        run: |
+          sudo apt install linux-headers-$(uname -r)
+          make clean all 2>&1 1> make.log
+          make clean all LOW_POWER=1 2>&1 1> make_lpm.log
+          make clean all MODE=RADIO-TEST 2>&1 1> make_rt.log
+
+      - name: upload-results
+        uses: actions/upload-artifact@v3
+        # Always collect artifacts, even if the build failed
+        if: always()
+        continue-on-error: true
+        with:
+          name: build-results
+          path: |
+            make.log
+            make_lpm.log
+            make_rt.log
+            west.update.log
+            west.update2.log