support multiple files in /etc/default/lsc-wrapper.d
. /etc/default/lsc-wrapper.d/*
gets resolved as . /etc/default/lsc-wrapper.d/50-defaults.conf /etc/default/lsc-wrapper.d/50-force-hwc2.conf
and only /etc/default/lsc-wrapper.d/50-defaults.conf
is included on dash
loop through files and include them individually