Fix ARCH arguments

Author: Doug Lehr

docker/Dockerfile.rocm_base

@@ -18,7 +18,7 @@ FROM ${BASE_IMAGE} AS base
 ENV PATH=/opt/rocm/llvm/bin:$PATH
 ENV ROCM_PATH=/opt/rocm
 ENV LD_LIBRARY_PATH=/opt/rocm/lib:/usr/local/lib:
-ARG PYTORCH_ROCM_ARCH=gfx942;gfx950;
+ARG PYTORCH_ROCM_ARCH=gfx942;gfx950
 ENV PYTORCH_ROCM_ARCH=${PYTORCH_ROCM_ARCH}
 # ENV AITER_ROCM_ARCH=gfx942;gfx950