add int code to KePanic

code/drivers/net/lwip/include/arch/cc.h

@@ -35,7 +35,7 @@
 typedef uintptr_t sys_prot_t;
 
 #define LWIP_PLATFORM_DIAG(x)   do { DbgPrint x; } while (0)
-#define LWIP_PLATFORM_ASSERT(x) do { KePanic("lwIP assert: %s\n", (x)); } while (0)
+#define LWIP_PLATFORM_ASSERT(x) do { KePanic(KE_PANIC_CODE_DRIVER, "lwIP assert: %s\n", (x)); } while (0)
 
 unsigned int lwip_port_rand(void);
 #define LWIP_RAND() ((uint32_t)lwip_port_rand())