mknod: fix bits for major and minor
mknod: fix bits for major and minor

This is not the right way to fix this, so I'm going to file an issue,
but for now it gets me out of a spot.

How I hate special files. I miss Plan 9.

Signed-off-by: Ronald G. Minnich <f569d0af9a3481c4007b95c7180d6c41009f2513@gmail.com>

rminnich/u-root,u-root/u-root,GanShun/u-root,hugelgupf/u-root,rminnich/u-root,rminnich/u-root,hugelgupf/u-root,GanShun/u-root,u-root/u-root,u-root/u-root,hugelgupf/u-root,GanShun/u-root,hugelgupf/u-root,rminnich/u-root