Add INTERNAL_SYSCALL macros for sh
Add INTERNAL_SYSCALL macros for sh

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