Merge remote-tracking branch 'upstream/sycl' into llvmspirv_pulldown

Author: Pavel V Chupin

devops/containers/ubuntu2004_build.Dockerfile

@@ -4,6 +4,10 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 USER root
 
+# Install Nvidia keys
+# https://forums.developer.nvidia.com/t/notice-cuda-linux-repository-key-rotation/212772
+RUN apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/3bf863cc.pub
+
 # Install SYCL prerequisites
 COPY scripts/install_build_tools.sh /install.sh
 RUN /install.sh