[SeaBIOS] [PATCH for-1.10-stable] drop "etc/boot-cpus" fw_cfg file and reuse legacy QEMU_CFG_NB_CPUS

[Gerd Hoffmann]

On So, 2016-11-13 at 23:05 -0500, Kevin O'Connor wrote:
> On Fri, Nov 11, 2016 at 04:35:15PM +0100, Igor Mammedov wrote:
> > since QEMU_CFG_NB_CPUS not going away anytime soon
> > and serves the same purpose as just added "etc/boot-cpus" fw_cfg
> > drop support for "etc/boot-cpus" while this code is not
> > in use yet (i.e. QEMU with "etc/boot-cpus" hasn't been released)
> > and reuse QEMU_CFG_NB_CPUS instead of it.
> 
> I'm okay with this change.  I'd like to get Gerd's comments as well
> though as the patch is targeted for a stable branch.

Looks good to me too.  I should have remembered this before as I
actually added QEMU_CFG_NB_CPUS support to coreboot ...

Process as usual: commit to qemu first, then seabios (master goes first,
then cherry-pick into stable), then update seabios binaries in qemu.

cheers,
  Gerd