Add hotadd cpu/mem for libvirt driver
Add hotadd cpu/mem for libvirt driver

so hyperd vmcache is available for libvirt

Signed-off-by: Lai Jiangshan <b337eedf453972390e4695e362aeea2634ef4e0c@gmail.com>

YaoZengzeng/runv,gnawux/runv,hyperhq/runv,jinfenw/runv,jinfenw/runv,laijs/runv,laijs/runv,gnawux/runv,wrouesnel/runv,feiskyer/runv,bergwolf/runv,gnawux/runv,wrouesnel/runv,YaoZengzeng/runv,bergwolf/runv,bergwolf/runv,hyperhq/runv,gao-feng/runv,feiskyer/runv,gao-feng/runv,hyperhq/runv,jinfenw/runv,gao-feng/runv,laijs/runv