Remove obsolete files.  Update dependancies.
Remove obsolete files.  Update dependancies.

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