The config file is interpreted in a bash script. So, SYSTEM_TARGET is a
bash variable, i.e., ${SYSTEM_TARGET}.
Fixes #946. Related to #490.
This repository contains the L4/Fiasco-specific implementation of Genode. For instructions to build and start the Fiasco version of Genode, please consult the documentation located at 'base-fiasco/doc/fiasco.txt'.