nouveau: allow for card-specific shader infos to be kept

nouveau: allow for card-specific shader infos to be kept

NV30/40 fragprog: build FP_CONTROL per-shader, still some hardcoded bits for
                  this reg.. It looks like it has to do with the number of
		  temps used, but needs more looking at.
NV40 vtxprog    : build VP_IN_REG/VP_OUT_REG during shader compile