eal: fix version macro

eal: fix version macro

The macro RTE_VERSION was broken since updated with function calls.
It is a build-time version number, and must be built with macros.
For a run-time version number, there is the function rte_version().

Fixes: 5b637a848195 ("eal: fix querying DPDK version at runtime")
Cc: stable@dpdk.org
Reported-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: David Marchand <david.marchand@redhat.com>