Add cputable entry for 750CXe DD2.4

[Nicolas DET]

Hello,

>This adds a cputable entry for 750CXe DD2.4, as found in the
>GameCube from Nintendo. To be correctly enumerated, however,
>the table has to be slightly re-ordered first.

There is also this patch:
http://ozlabs.org/pipermail/linuxppc-dev/attachments/20050601/557155f7/patch_750CXe_2.6.obj

It add support for the 750CXe rev 3.1.

Maybe we could merge both and get them into the main stream ?

Regards,
-- 
Nicolas DET
MorphOS & Linux developer