executor: Extend docstring
executor: Extend docstring

bjackman/lisa,ARM-software/lisa,credp/lisa,ARM-software/lisa,bjackman/lisa,joelagnel/lisa,credp/lisa,credp/lisa,arnoldlu/lisa,mdigiorgio/lisa,mdigiorgio/lisa,ARM-software/lisa,arnoldlu/lisa,credp/lisa,ARM-software/lisa,joelagnel/lisa