samples: network: add duomotai board support

Signed-off-by: fjli <fjli@listenai.com>
2 job 于feat/wifi in 6 minute 和 54 second
latest
状态 作业 ID 名称 覆盖率
  Ztest
已通过 #78639
zgsz-02 generic
ztest_build_only

00:05:43

已通过 #78640
zgsz-03 with-device
ztest_device_test

00:06:54