vendor: update govmm to be compatible with qemu 2.8 to stabel 1.2 branch

backport from commit-id: f841e89 in master branch to stable 1.2 branch

govmm has ExecuteBlockdevAdd() function and ExecuteBlockdevDel() function
doesn't compatible with qemu 2.8,because blockdev-add and x-blockdev-del usages
are different between qemu 2.7 and qemu 2.8

shortlog:

    ce070d1 govmm: modify govmm to be compatible with qemu 2.8
    0286ff9 qemu/qmp: support hotplug a nic whose qdisc is mq
    8515ae4 qmp: Remind users that you must first call ExecuteQMPCapabilities()
    21504d3 qemu/qmp: Add netdev_add with chardev support
    ed34f61 Add some negative test cases for qmp.go
    17cacc7 Add negative test cases for qemu.go
    2706a07 qemu: Use the supplied context.Context for launching
    e46092e qemu: Do not try and generate invalid RTC parameters
    fcaf61d qemu/qmp: add vfio mediated device support
    4461c45 disk: Add --share-rw option for hotplugging disks
    6851999 qemu/qmp: add addr and bus to hotplug vsock devices
    10efa84 qemu/qmp: add function for hotplug network by fds
    80ed88e qemu/qmp: implement function to hotplug serial ports
    ca46f21 qemu/qmp: implement function to hotplug character devices
    03f1a1c qemu/qmp: implement getfd
    84b212f qemu: add vhostfd and disable-modern to vsock hotplug
    12dfa87 qemu/qmp: implement function for hotplug network
    4ca232e qmp_test: Fix Warning and Error level logs
    430e72c qemu,qmp: Enable gas security checker
    ffc06e6 qemu,qmp: Add staticcheck to travis and fix errors

fixes: #637

Signed-off-by: flyflypeng <[email protected]>

Gopkg.toml

@@ -56,7 +56,7 @@
 
 [[constraint]]
   name = "github.com/intel/govmm"
-  revision = "6ff20ae2f409df976574d0139b5ec2fa3e314769"
+  revision = "1a16b5f98f133796f9c5e9b6ae3aa6d786cff9b1"
 
 [[constraint]]
   name = "github.com/kata-containers/agent"