Remove the inclusion of fpu_control.h from compiler.h. Since Bionic lacks
fpu_control.h, this fixes the Android build.
Also remove the sole use of the fpu_control bits, which was in debug.c.
Those were brianp's debug bits, and he approved of their removal.
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Chad Versace <chad@chad-versace.us>