[finsh][shell] Finalize prompt format-string fix

Agent-Logs-Url: https://github.com/RT-Thread/rt-thread/sessions/b514540d-90fa-4ac9-bb74-5c84dd939b40

Co-authored-by: BernardXiong <1241087+BernardXiong@users.noreply.github.com>

bsp/qemu-vexpress-a9/drivers/automac.h

@@ -8,8 +8,8 @@
 #define AUTOMAC0  0x52
 #define AUTOMAC1  0x54
 #define AUTOMAC2  0x00
-#define AUTOMAC3  0x60
-#define AUTOMAC4  0x47
-#define AUTOMAC5  0x90
+#define AUTOMAC3  0x81
+#define AUTOMAC4  0xe4
+#define AUTOMAC5  0xeb
 
 #endif