When doing a 'make clean', clean all subdirs, not just the current arch.
When doing a 'make clean', clean all subdirs, not just the current arch.

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