Update.
* sysdeps/mips/fclrexcpt.c: Moved to...
* sysdeps/mips/fpu/fclrexcpt.c: ...here.
* sysdeps/mips/fegetenv.c: Moved to...
* sysdeps/mips/fpu/fegetenv.c: ...here.
* sysdeps/mips/fegetround.c: Moved to...
* sysdeps/mips/fpu/fegetround.c: ...here.
* sysdeps/mips/fesetenv.c: Moved to...
* sysdeps/mips/fpu/fesetenv.c: ...here.
* sysdeps/mips/fesetround.c: Moved to...
* sysdeps/mips/fpu/fesetround.c: ...here.
* sysdeps/mips/feupdateenv.c: Moved to...
* sysdeps/mips/fpu/feupdateenv.c: ...here.
* sysdeps/mips/fgetexcptflg.c: Moved to...
* sysdeps/mips/fpu/fgetexcptflg.c: ...here.
* sysdeps/mips/ftestexcept.c: Moved to...
* sysdeps/mips/fpu/ftestexcept.c: ...here.