support ROCm-based rfoss toolchain + subtoolchains for EESSI 2025.06 for EasyBuild >= 5.3.0#255

casparvl merged 3 commits into

EESSI:mainEESSI/software-layer-scripts:mainfrom

zerefwayne:add-rocm-toolchainszerefwayne/software-layer-scripts:add-rocm-toolchainsCopy head branch name to clipboard