also pick up on toolchain components in Toolchain._add_dependency_variables#5042

bedroge merged 4 commits intoeasybuilders:developeasybuilders/easybuild-framework:developfrom

boegel:fix_toolchain_add_dependency_variables_toolchain_componentsboegel/easybuild-framework:fix_toolchain_add_dependency_variables_toolchain_componentsCopy head branch name to clipboard