Also clean up some near-miss copyright headers in libm, and remove some cruft in <grp.h>/<pwd.h> that the script can't automatically ignore since we stripped all the tabs in those files. Change-Id: I10796c54dda1ceba87822ae0de26b5d71b54972b
fma, sqrt and various rounding functions have aarch64 instruction equivalent Change-Id: I1284f31b9f78f914281e5563b8d44db8362b627d