[CLEANUP] Add phpDoc to properties in SetupModuleController

Resolves: #62626
Releases: master
Change-Id: Ieead09b3f3fd9e3437d84a47f55176d2199e9b69
Reviewed-on: http://review.typo3.org/33715
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>