[dts] [PATCH V1]framework/ssh_connection: fix output might be int

[Tu, Lijuan]

> Subject: [dts] [PATCH V1]framework/ssh_connection: fix output might be int
> 
> *. when verify is True in send_expect, the output might be type int.
> 
> Signed-off-by: Xiao Qimai <qimaix.xiao at intel.com>

Applied