examples/distributor: reduce Tx queue number to 1

[ upstream commit e7f6d1289bc2d6880bcc708b7ba42976b8d4a3e8 ]

Distributor application creates one Tx queue per core. However
the transmit is done only from a single core. Hence creating
one Tx queue is enough.

Fixes: 07db4a9 ("examples/distributor: new sample app")

Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>

examples/distributor/main.c

@@ -109,7 +109,7 @@ static inline int
 port_init(uint16_t port, struct rte_mempool *mbuf_pool)
 {
 	struct rte_eth_conf port_conf = port_conf_default;
-	const uint16_t rxRings = 1, txRings = rte_lcore_count() - 1;
+	const uint16_t rxRings = 1, txRings = 1;
 	int retval;
 	uint16_t q;
 	uint16_t nb_rxd = RX_RING_SIZE;