ENV variable fix

Integrations/docker/images/Dockerfile

@@ -17,7 +17,6 @@ RUN set -x \
     # Install Arm GNU Toolchain
 RUN wget -O gcc.tar.xz "https://developer.arm.com/-/media/Files/downloads/gnu/12.2.rel1/binrel/arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi.tar.xz?rev=7bd049b7a3034e64885fa1a71c12f91d&hash=732D909FA8F68C0E1D0D17D08E057619" \
     && tar -xJf ./gcc.tar.xz -C /tmp \
-    && ls -lR /tmp \
     && rm ./gcc.tar.xz \
     && : # last line
 
@@ -79,7 +78,8 @@ ENV WISECONNECT_SDK_ROOT=/opt/silabs/wiseconnect-wifi-bt-sdk/
 ENV WIFI_SDK_ROOT=${SISDK_ROOT}/extension/wiseconnect
 ENV PATH="${PATH}:/opt/silabs/slc_cli/"
 ENV POST_BUILD_EXE=/opt/SimplicityCommander-Linux/commander/commander
-ENV ARM_GCC_DIR=/usr/local/gcc-arm-none-eabi-12.2.Rel1
+ENV ARM_GCC_DIR="/tmp/arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi"
+ENV PATH="${PATH}:${ARM_GCC_DIR}/bin"
 
 COPY --from=build /tmp/SimplicityCommander-Linux/ ${POST_BUILD_EXE}
 COPY --from=build /tmp/simplicity_sdk ${SISDK_ROOT}