[Bug target/53378] gcc/regs.h hides system header regs.h on vxWorks

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53378

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-05-16 
16:22:33 UTC ---
This is another one of these target headers including GCC headers which should
not be done.