3644 Add virtio-net support into the Illumos
Reviewed by: Alexey Zaytsev, alexey.zaytsev@gmail.com
Reviewed by: Yuri Pankov, yuri.pankov@nexenta.com
Reviewed by: David Hoppner, 0xffea@gmail.com

@@ -1955,10 +1955,13 @@
 VIRTIO_OBJS = virtio.o
 
 # Virtio block driver
 VIOBLK_OBJS = vioblk.o
 
+#Virtio network driver
+VIOIF_OBJS = vioif.o
+
 #
 #       kiconv modules
 #
 KICONV_EMEA_OBJS += kiconv_emea.o