DPDK rte_vhost has some nasty dependencies which
we don't necessarily want to resolve if we don't
want to use vhost at all. We'll now build rte_vhost
only if SPDK vhost is built.
Change-Id: Icb830b11cc128eb8ee357dad94dfe62ac0cf2cce
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460529
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>