usershell: switch to config parser
usershell: switch to config parser

Signed-off-by: Bernhard Reutner-Fischer <ce1ac9e9ad16abccd7821f371ad381197b4768ac@gmail.com>

ndmsystems/uClibc,atgreen/uClibc-moxie,skristiansson/uClibc-or1k,brgl/uclibc-ng,majek/uclibc-vx32,kraj/uclibc-ng,ffainelli/uClibc,hjl-tools/uClibc,m-labs/uclibc-lm32,atgreen/uClibc-moxie,hwoarang/uClibc,kraj/uClibc,groundwater/uClibc,ndmsystems/uClibc,majek/uclibc-vx32,groundwater/uClibc,groundwater/uClibc,ddcc/klee-uclibc-0.9.33.2,atgreen/uClibc-moxie,atgreen/uClibc-moxie,czankel/xtensa-uclibc,ndmsystems/uClibc,mephi42/uClibc,foss-xtensa/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,ffainelli/uClibc,m-labs/uclibc-lm32,waweber/uclibc-clang,ffainelli/uClibc,ffainelli/uClibc,wbx-github/uclibc-ng,kraj/uClibc,ffainelli/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,czankel/xtensa-uclibc,majek/uclibc-vx32,mephi42/uClibc,skristiansson/uClibc-or1k,m-labs/uclibc-lm32,waweber/uclibc-clang,hwoarang/uClibc,czankel/xtensa-uclibc,brgl/uclibc-ng,ysat0/uClibc,ddcc/klee-uclibc-0.9.33.2,hjl-tools/uClibc,ddcc/klee-uclibc-0.9.33.2,groundwater/uClibc,brgl/uclibc-ng,brgl/uclibc-ng,wbx-github/uclibc-ng,ysat0/uClibc,foss-xtensa/uClibc,skristiansson/uClibc-or1k,kraj/uClibc,ysat0/uClibc,groundwater/uClibc,foss-xtensa/uClibc,hjl-tools/uClibc,ysat0/uClibc,hwoarang/uClibc,mephi42/uClibc,wbx-github/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,waweber/uclibc-clang,foss-for-synopsys-dwc-arc-processors/uClibc,ddcc/klee-uclibc-0.9.33.2,kraj/uclibc-ng,hjl-tools/uClibc,waweber/uclibc-clang,mephi42/uClibc,skristiansson/uClibc-or1k,czankel/xtensa-uclibc,kraj/uclibc-ng,kraj/uClibc,hjl-tools/uClibc,majek/uclibc-vx32,foss-xtensa/uClibc,m-labs/uclibc-lm32,wbx-github/uclibc-ng,kraj/uclibc-ng,ndmsystems/uClibc,hwoarang/uClibc