Add improved VERBOSE logging for SMB

This adds a different log device when VERBOSE is set, following the
pattern established by the smb_relay module.

lib/msf/core/payload/adapter/fetch/server/smb.rb

@@ -19,8 +19,8 @@ def start_smb_server(srvport, srvhost)
         }
     )
 
-   log_device = LogDevice::Framework.new(framework)
-   logger = Logger.new(self, log_device)
+    log_device = datastore['VERBOSE'] ? LogDevice::Module.new(self) : LogDevice::Framework.new(framework)
+    logger = Logger.new(self, log_device)
 
     thread_factory = Proc.new do |server_client, &block|
       Rex::ThreadFactory.spawn("SMBServerClient(#{server_client.peerhost}->#{server_client.dispatcher.tcp_socket.localhost})", false, &block)