[PATCH 2/2] mt76: mt7615: add missing SPDX tag in mmio.c

[Ryder Lee <ryder.lee@xxxxxxxxxxxx>]

Resolve the following checkpatch.pl script warning:

WARNING: Missing or malformed SPDX-License-Identifier tag in line 1

Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
---
 drivers/net/wireless/mediatek/mt76/mt7615/mmio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
index a7f92fa0488f..eaa22752e7cd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
-- 
2.18.0