Add in missing syscalls.h for powerpc
Add in missing syscalls.h for powerpc

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