add:rand_bytes修改为weak函数

components/gmssl/src/rand.c

@@ -16,7 +16,7 @@
 
 extern int luat_crypto_trng(char* buff, size_t len);
 
-int rand_bytes(uint8_t *buf, size_t len)
+LUAT_WEAK int rand_bytes(uint8_t *buf, size_t len)
 {
 	luat_crypto_trng((char*)buf, len);
 	return 1;