更新LYNQ接口输出格式,优化test部分的代码问题,sms模块添加一个del list接口

Change-Id: Ibb65ec80abe2e8995b6166d60acdd7098566ee4b
diff --git a/mbtk/mbtk_lib/src/mbtk_info_api.c b/mbtk/mbtk_lib/src/mbtk_info_api.c
index 05b803a..ef7ee1c 100755
--- a/mbtk/mbtk_lib/src/mbtk_info_api.c
+++ b/mbtk/mbtk_lib/src/mbtk_info_api.c
@@ -1663,6 +1663,19 @@
 }
 
 /*
+* Get sms cmgd.
+*
+* +CMGD: (XXX,XXX)(0-4)
+*
+* Restarting takes effect after execution.
+*/
+int mbtk_sms_cmgd_get(mbtk_info_handle_t* handle, char * cmdg)
+{
+    return info_item_process(handle, MBTK_INFO_ID_SMS_CMGD_REQ, NULL, 0, cmdg) ? handle->info_err : 0;
+}
+
+
+/*
 * Set sms cmgl.
 *
 * AT+CMGL[=<stat>]