pull kernel-features.h from NPTL
pull kernel-features.h from NPTL

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

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