[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/powerpc/xmon/nonstdio.h b/src/kernel/linux/v4.14/arch/powerpc/xmon/nonstdio.h
new file mode 100644
index 0000000..2202ec6
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/powerpc/xmon/nonstdio.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#define EOF	(-1)
+
+#define printf	xmon_printf
+#define putchar	xmon_putchar
+
+extern void xmon_set_pagination_lpp(unsigned long lpp);
+extern void xmon_start_pagination(void);
+extern void xmon_end_pagination(void);
+extern int xmon_putchar(int c);
+extern void xmon_puts(const char *);
+extern char *xmon_gets(char *, int);
+extern void xmon_printf(const char *, ...);