[oe] Impending Kexec interface change

[Rod Whitby]

Richard Purdie wrote:
> Anyone watching mainline kernels will note that ARM kexec support got
> merged and will be in 2.6.21 which is good. The issue is that the
> syscall number had to change since the one its using at the moment is a
> big hack.
> 
> This means we will have to change kexec-tools and at that point it
> becomes incompatible with older kernels.
> 
> We can wait a bit and change when 2.6.21 is released, or update all our
> patches now to use the new proper syscall number and update OE now.
> 
> I know the NSLU2 people are users of this and would value their input.

I say we change ASAP.  We'll upgrade the ixp4xx kernel in sync with your
changes.

-- Rdo