Define '__rte_deprecated' usage process.
Suggests keeping old API with '__rte_deprecated' marker including
next LTS, they will be removed just after the LTS release.
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Kevin Traynor <ktraynor@redhat.com>