Verify that the current CPU actually supports multi-threading before
registering MT SMP ops, instead of unconditionally registering them if
the kernel is compiled with CONFIG_MIPS_MT_SMP.
Suggested-by: NJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: NSander Vanheule <sander@svanheule.net>
Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de>