I'm going to request this is a high priority since some new Freescale parts will depend on these bits to build the kernel. There are other enhancements too regarding this, including bug 1525 -M
Change made in master: http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=3f14eb3674d44b61fe19016902d41cae57be8e6c
Verified.