[feature][T8TSK-196][TCAM_T800_SW_0283][network] add interface to set AT+CFUN=0

Change-Id: Ia04223faa1179d9d0a1ccea02d65761b1f08c323
(cherry picked from commit c6d8041552e1978fe023c3bee55a58c18ca0dc72)
2 files changed