[] [add mt7986b-emmc-rfb project]

[Description]
Add mt7986b eMMC project

[Release-log]
N/A

Change-Id: I37cb0df722ba84a5c9d3eeb5a61629109bfcded9
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5000986
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-emmc-rfb.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-emmc-rfb.dts
new file mode 100644
index 0000000..e12623c
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7986b-emmc-rfb.dts
@@ -0,0 +1,24 @@
+/dts-v1/;
+#include "mt7986b-rfb.dtsi"
+/ {
+	model = "MediaTek MT7986b RFB";
+	compatible = "mediatek,mt7986b-emmc-rfb";
+
+	chosen {
+		bootargs = "console=ttyS0,115200n1 loglevel=8  \
+				earlycon=uart8250,mmio32,0x11002000 \
+				root=/dev/mmcblk0p7 rootwait rootfstype=squashfs,f2fs";
+	};
+};
+
+&snand {
+	status = "disabled";
+};
+
+&spi0 {
+	status = "disabled";
+};
+
+&spi1 {
+	status = "disabled";
+};