hv: move "client/server_monitor_pending" bus attributes to dev_groups

This moves the "client_monitor_pending" and "server_monitor_pending" bus
attributes to the dev_groups structure, removing the need for it to be
in a temporary structure.

Tested-by: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/hyperv.h

@@ -900,10 +900,8 @@ enum vmbus_channel_state {
 };
 
 struct vmbus_channel_debug_info {
-	u32 servermonitor_pending;
 	u32 servermonitor_latency;
 	u32 servermonitor_connectionid;
-	u32 clientmonitor_pending;
 	u32 clientmonitor_latency;
 	u32 clientmonitor_connectionid;