powerpc merge

Merge 32- and 64-bit powerpc architectures into a common powerpc arch in anticipation of the similar merge happening in linux kernel (possible in 2.6.15). Amount of shared code between 32- and 64-bit ppc is substantial and I don't see anything changing that. These patches will simplify maintenance. In case the mailing list rejects the largish attachments I'll see if I can use the patch tracker in gna instead.

-- Heikki Lindholm

Ok, thanks (patches made their way). Will merge in the next-to-come 2.1 branch that should appear this WE. I have made progress separating the kernel and user-space supports, and compiling the whole Xenomai modules inside the kernel, so basically we just need to wait for the user-space support to be compilable anew for the branch to appear.

Philippe.