patch: add config for MMX and SSE

[ron minnich]

attached

This would work, but if you have a better idea, just let us  know.

BTW, on another note: I think we should keep arch/whatever and
cpu/whatever, because The Day Is Coming when we'll need to run in
64-bit mode, if only to clear the memory.

ron

[Peter Stuge]

ron minnich wrote:
> Add these two booleans. Sockets or CPUs (NOT MAINBOARDS!) should set
> them if they are available.

Maybe put this note in the help text for the options? Not neccessary,
just an idea.
> Signed-off-by: Ronald G. Minnich

Yeah!

Acked-by: Peter Stuge