patch: add MMX and SSE where needed

[ron minnich]

attached. This is proposed, not even tested, comments welcome.

ron

[Peter Stuge]

ron minnich wrote:
> Set MMX and SSE where needed. Note that many boards don't even bother 
> with this as many boards (AMD in particular) use CAR.
>
> This list determined by a series of greps etc. on mainboards, no humans
> were harmed in the making of this list.
>
> Signed-off-by: Ronald G. Minnich

I think this is good. It still allows boards using older sockets to
enable e.g. MMX where needed. It's also possible to check and
complain when someone enables MMX or SSE in a board but the socket
already did so.

Acked-by: Peter Stuge

[ron minnich]

Committed revision 4745.