ramips: enable BBT on NAND in I-O DATA devices

This patch enables MediaTek NAND BBT on I-O DATA devices manufactured by
MSTC (MitraStar Technology Corp.).

[WN-AX2033GR]
Tested-by: Yanase Yuki <[email protected]>
[WN-AX1167GR2, WN-DX1167R, WN-DX1200GR, WN-DX2033GR]
Tested-by: INAGAKI Hiroshi <[email protected]>
Signed-off-by: INAGAKI Hiroshi <[email protected]>

target/linux/ramips/dts/mt7621_iodata_wn-dx1200gr.dts

@@ -58,6 +58,11 @@
 &nand {
 	status = "okay";
 
+	mediatek,bbt;
+	mediatek,bmt-remap-range =
+		<0x0000000 0x0800000>,
+		<0x3600000 0x4980000>;
+
 	partitions {
 		compatible = "fixed-partitions";
 		#address-cells = <1>;

target/linux/ramips/dts/mt7621_iodata_wn-xx-xr.dtsi

@@ -55,6 +55,11 @@
 &nand {
 	status = "okay";
 
+	mediatek,bbt;
+	mediatek,bmt-remap-range =
+		<0x0000000 0x0800000>,
+		<0x3600000 0x4980000>;
+
 	partitions: partitions {
 		compatible = "fixed-partitions";
 		#address-cells = <1>;