[Silabs] Add zephyr container (project-chip#40492)

* Add docker container

* fix tag

* restyle

Author: jepenven-silabs

integrations/docker/images/base/chip-build/version

@@ -1 +1 @@
-158 : [Android] Fix android NDK path in vscode image
+159 : Update docker image container with Zephyr for Silabs

integrations/docker/images/stage-2/chip-build-silabs-zephyr/Dockerfile

@@ -0,0 +1,38 @@
+ARG VERSION=1
+FROM ghcr.io/project-chip/chip-build:${VERSION} AS build
+LABEL org.opencontainers.image.source=https://github.com/project-chip/connectedhomeip
+
+WORKDIR /opt/silabs/
+
+RUN set -x \
+    && python3 -m venv venv \
+    && . venv/bin/activate \
+    && pip3 install west \
+    && git clone https://github.com/SiliconLabsSoftware/zephyr-silabs.git \
+    && cd zephyr-silabs \
+    && git checkout 7cfc27d9dc7f24f28d4b375b80abaac22eac31c3 \
+    # Initialize west with the specific commit of the zephyr-silabs repository
+    # This commit corresponds to the version of the Zephyr SDK used in the project
+    && cd ../ \
+    && west init -l ./zephyr-silabs  \
+    && west update \
+    && pip3 install -r zephyr/scripts/requirements.txt \
+    && west blobs fetch \
+    && mkdir -p /opt/silabs/sdk \
+    && cd /opt/silabs/sdk \
+    && wget https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.17.2/zephyr-sdk-0.17.2_linux-x86_64_minimal.tar.xz \
+    && tar xvf zephyr-sdk-0.17.2_linux-x86_64_minimal.tar.xz \
+    && rm zephyr-sdk-0.17.2_linux-x86_64_minimal.tar.xz \
+    && cd zephyr-sdk-0.17.2 \
+    && ./setup.sh -t arm-zephyr-eabi \
+    && export ZEPHYR_SDK_INSTALL_DIR=/opt/silabs/sdk \
+    && west zephyr-export \
+    && : # last line
+
+FROM ghcr.io/project-chip/chip-build:${VERSION}
+
+COPY --from=build /opt/silabs/ /opt/silabs/
+
+ENV SILABS_ZEPHYR_SDK_PATH=/opt/silabs
+ENV ZEPHYR_BASE=/opt/silabs/zephyr
+ENV ZEPHYR_SDK_INSTALL_DIR=/opt/silabs/sdk

integrations/docker/images/stage-2/chip-build-silabs-zephyr/build.sh

@@ -0,0 +1 @@
+../../../build.sh

integrations/docker/images/stage-2/chip-build-silabs-zephyr/run.sh

@@ -0,0 +1 @@
+../../../run.sh

integrations/docker/images/stage-2/chip-build-silabs-zephyr/version

@@ -0,0 +1 @@
+../../base/chip-build/version