Adds ALSA environment setup to CI and Docker scripts

Configures environment variables for ALSA tools in the CI workflow,
including PATH, PKG_CONFIG_PATH, and LD_LIBRARY_PATH. Updates Docker
script to pass these variables to the container to ensure proper
toolchain availability during builds.

Signed-off-by: Christopher Turner <christopher.g.turner@intel.com>

Author: cgturner1

.github/workflows/testbench.yml

@@ -49,6 +49,16 @@ jobs:
       - name: Set SOF_WORKSPACE
         run: echo "SOF_WORKSPACE=/home/sof/work/sof.git" >> $GITHUB_ENV
 
+      # Set environment variables for ALSA tools
+      - name: Set ALSA tools environment
+        run: |
+          export PATH=/home/sof/work/sof.git/tools/bin:$PATH
+          export PKG_CONFIG_PATH=/home/sof/work/sof.git/tools/lib/pkgconfig:$PKG_CONFIG_PATH
+          export LD_LIBRARY_PATH=/home/sof/work/sof.git/tools/lib:$LD_LIBRARY_PATH
+          echo "PATH=$PATH" >> $GITHUB_ENV
+          echo "PKG_CONFIG_PATH=$PKG_CONFIG_PATH" >> $GITHUB_ENV
+          echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" >> $GITHUB_ENV
+
       # testbench needs some topologies.
       - name: build test topologies
         continue-on-error: true

scripts/docker-run.sh

@@ -42,6 +42,5 @@ docker run -i -v "${SOF_TOP}":/home/sof/work/sof.git \
 	--env VERBOSE \
 	--env http_proxy="$http_proxy" \
 	--env https_proxy="$https_proxy" \
-	--env SOF_WORKSPACE="$SOF_WORKSPACE" \
 	$SOF_DOCKER_RUN \
 	thesofproject/sof:20250410_no-alsa ./scripts/sudo-cwd.sh "$@"