Fix gnss 8122 and IPC socket.

Change-Id: Id413efb4dd8df3e5a52333cc0c1400db7f84ad9f
diff --git a/mbtk/mbtk_gnssd/gnss_info.h b/mbtk/mbtk_gnssd/gnss_info.h
index a292db7..a6b64c9 100755
--- a/mbtk/mbtk_gnssd/gnss_info.h
+++ b/mbtk/mbtk_gnssd/gnss_info.h
@@ -25,6 +25,7 @@
     GNSS_ERR_TIMEOUT,
     GNSS_ERR_ARG,
     GNSS_ERR_CHECKSUM,
+    GNSS_ERR_SET_BUSY,
 
     GNSS_ERR_UNKNOWN
 } gnss_err_enum;
@@ -74,4 +75,10 @@
     gnss_set_cb_func gnss_set_cb;
 } gnss_info_t;
 
+int gnss_init(uint32 print_port);
+
+int gnss_deinit();
+
+int gnss_set(const void* buf, unsigned int buf_len, void *cmd_rsp, int cmd_rsp_len);
+
 #endif /* _GNSS_INFO_H */