[c-nsp] SXI1 is out

[A.L.M.Buxey at lboro.ac.uk]

Hi,
> So anyone try out an ISSU upgrade from SXI to SXI1 yet?   I'd really like to
> see if it works as advertised.

hmmm, good call - I may have to check this out as when we
did our SXF and SXH to SXI upgrade it thought it had been done
via ISSU (why? dont know - hopefully fixed in SXI1 !) and
therefore borked our dual sup720 setups which led to 3 other
issues.

alan