Set pkgconfig for native_sim build only

Author: tannewt

.github/actions/deps/ports/zephyr-cp/action.yml

@@ -9,7 +9,6 @@ runs:
         sudo dpkg --add-architecture i386
         sudo apt-get update
         sudo apt-get install -y libusb-1.0-0-dev libudev-dev pkg-config libsdl2-dev:i386 libsdl2-image-dev:i386 mtools
-        echo "PKG_CONFIG_PATH=/usr/lib/i386-linux-gnu/pkgconfig${PKG_CONFIG_PATH:+:$PKG_CONFIG_PATH}" >> $GITHUB_ENV
       shell: bash
     - name: Setup Zephyr project
       uses: zephyrproject-rtos/action-zephyr-setup@v1

.github/workflows/run-tests.yml

@@ -95,6 +95,8 @@ jobs:
         uses: ./.github/actions/deps/external
       - name: Build native sim target
         run: make -C ports/zephyr-cp -j2 BOARD=native_native_sim
+        env:
+          PKG_CONFIG_PATH: /usr/lib/i386-linux-gnu/pkgconfig
       - name: Build bsim
         run: make -j 2 everything
         working-directory: ports/zephyr-cp/tools/bsim