[PATCH] doc: announce change for building deprecated libraries

[Thomas Monjalon]

> > > As part of a larger work on selecting parts of DPDK of interests for
> > > users, enabling deprecated libraries won't be done via the disable_libs
> > > build option anymore.
> > > 
> > > An example of the new build option can be found at:
> > > https://patchwork.dpdk.org/project/dpdk/patch/20230628132004.340074-2-
> > > david.marchand at redhat.com/
> > > 
> > > Signed-off-by: David Marchand <david.marchand at redhat.com>
> > Acked-by: Morten Brørup <mb at smartsharesystems.com>
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>
Acked-by: Thomas Monjalon <thomas at monjalon.net>

Applied, thanks.