dpdk: copy the enable_rxq_int flag from driver to conf

The support for interrupt mode is not being respected as it is not
copied into the driver conf, which is what is checked when trying to
enable it.

Type: fix
Signed-off-by: Paul Atkins <patkins@graphiant.com>
Change-Id: I2e502306e27bd98f8037d1a0a396201e099b50b5
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index b2f56c5..eb01b9f 100644
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -305,6 +305,7 @@
 	  xd->supported_flow_actions = dr->supported_flow_actions;
 	  xd->conf.disable_rss = dr->mq_mode_none;
 	  xd->conf.disable_rx_scatter = dr->disable_rx_scatter;
+	  xd->conf.enable_rxq_int = dr->enable_rxq_int;
 	  if (dr->use_intel_phdr_cksum)
 	    dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM, 1);
 	  if (dr->int_unmaskable)