Add basic change for v1453

Change-Id: I9497a61bbc3717f66413794a4e7dee0347c0bc33
diff --git a/mbtk/include/lynq/liblynq-at-common.h b/mbtk/include/lynq/liblynq-at-common.h
new file mode 100755
index 0000000..5ca8ca8
--- /dev/null
+++ b/mbtk/include/lynq/liblynq-at-common.h
@@ -0,0 +1,14 @@
+#ifndef LIBLYNQ_AT_COMMON_H
+#define LIBLYNQ_AT_COMMON_H 1
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void ( *lynq_atsvc_incb )( const char *input,const int length);
+typedef void ( *lynq_atsvc_outcb )(char *output, int out_max_size, int mode);
+lynq_atsvc_incb lynq_register_at_common(lynq_atsvc_outcb out_cb);
+
+#ifdef __cplusplus
+}
+#endif
+#endif
\ No newline at end of file