Fix the way Pyxis and Enroot are configured.#2826

gmarciani merged 1 commit intoaws:developaws/aws-parallelcluster-cookbook:developfrom

gmarciani:wip/mgiacomo/3.11.1/fix-pyxis-1015-developgmarciani/aws-parallelcluster-cookbook:wip/mgiacomo/3.11.1/fix-pyxis-1015-developCopy head branch name to clipboard