Add user VM reboot command and related command handler in
lifecycle manager to support user VM reboot.
Libvirt will send user VM reboot command to lifecycle manager
of service VM through socket, this command is forwarded to the
specified user VM, user VM will execute reboot command to start
reboot itself.
v1-->v2:
Update some interfaces name to make it reable:
(1) enable_uart_channel_dev_resend -->
start_uart_channel_dev_resend
(2) enable_all_uart_channel_dev_resend -->
start_all_uart_channel_dev_resend
(3) disable_uart_channel_dev_resend -->
stop_uart_channel_dev_resend
(4) get_reboot_flag --> get_user_vm_reboot_flag
Tracked-On: #5921
Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
ecf99c45a3