Add eth_dev_info_get_print_err() which is a wrapper for
rte_eth_dev_info_get() printing error if rte_eth_dev_info_get()
fails and returning its status code.
Signed-off-by: Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>