[][Add initial mtk feed for OpenWRT v21.02]

[Description]
Add initial mtk feed for OpenWRT v21.02

[Release-log]
N/A

Change-Id: I8051c6ba87f1ccf26c02fdd88a17d66f63c0b101
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4495320
diff --git a/target/linux/mediatek/files-5.4/drivers/mtd/mtk-snand/Kconfig b/target/linux/mediatek/files-5.4/drivers/mtd/mtk-snand/Kconfig
new file mode 100644
index 0000000..138b939
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/mtd/mtk-snand/Kconfig
@@ -0,0 +1,14 @@
+#
+# Copyright (C) 2020 MediaTek Inc. All rights reserved.
+# Author: Weijie Gao <weijie.gao@mediatek.com>
+#
+# SPDX-License-Identifier: GPL-2.0
+#
+
+config MTK_SPI_NAND
+	tristate "MediaTek SPI NAND flash controller driver"
+	depends on MTD
+	default n
+	help
+	  This option enables access to SPI-NAND flashes through the
+	  MTD interface of MediaTek SPI NAND Flash Controller