[CI][amd] Revert NIXL connector change to avoid crash (#32570)

Signed-off-by: Qiang Li <qiang.li2@amd.com>
Signed-off-by: Matthew Wong <Matthew.Wong2@amd.com>

docker/Dockerfile.rocm

@@ -385,5 +385,5 @@ RUN echo "VLLM_BASE_IMAGE=${BASE_IMAGE}" >> ${COMMON_WORKDIR}/versions.txt
 CMD ["/bin/bash"]
 
 #Set entrypoint for vllm-openai official images
-FROM final As vllm-openai
+FROM final AS vllm-openai
 ENTRYPOINT ["vllm", "serve"]