mips: use the common dirent.h
mips: use the common dirent.h

kraj/uclibc-ng,brgl/uclibc-ng,kraj/uclibc-ng,brgl/uclibc-ng,wbx-github/uclibc-ng,brgl/uclibc-ng,wbx-github/uclibc-ng,kraj/uclibc-ng,wbx-github/uclibc-ng,brgl/uclibc-ng,kraj/uclibc-ng,wbx-github/uclibc-ng