Update sfud.c

修复可能存在越界访问的问题

components/drivers/spi/sfud/src/sfud.c

@@ -691,7 +691,7 @@ __exit:
 static sfud_err aai_write(const sfud_flash *flash, uint32_t addr, size_t size, const uint8_t *data) {
     sfud_err result = SFUD_SUCCESS;
     const sfud_spi *spi = &flash->spi;
-    uint8_t cmd_data[6], cmd_size;
+    uint8_t cmd_data[8], cmd_size;
     bool first_write = true;
 
     SFUD_ASSERT(flash);