[PATCH] ARM: dts: BCM5301X: AC9: set WAN MAC from nvram

[Rosen Penev <rosenp@gmail.com>]

The WAN MAC is offset by 1. Set in dts to avoid having to handle this in
userspace.

nvram size found from a random bootlog online.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 .../boot/dts/broadcom/bcm47189-tenda-ac9.dts  | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/broadcom/bcm47189-tenda-ac9.dts b/arch/arm/boot/dts/broadcom/bcm47189-tenda-ac9.dts
index 3ac6cac541ca..8b2ad7683529 100644
--- a/arch/arm/boot/dts/broadcom/bcm47189-tenda-ac9.dts
+++ b/arch/arm/boot/dts/broadcom/bcm47189-tenda-ac9.dts
@@ -20,6 +20,16 @@ memory@0 {
 		reg = <0x00000000 0x08000000>;
 	};
 
+	nvram@1eff0000 {
+		compatible = "brcm,nvram";
+		reg = <0x1eff0000 0x10000>;
+
+		et0macaddr: et0macaddr {
+			#nvmem-cell-cells = <1>;
+		};
+	};
+
+
 	leds-0 {
 		compatible = "gpio-leds";
 
@@ -106,6 +116,16 @@ pcie0_chipcommon: chipcommon@0 {
 	};
 };
 
+&gmac0 {
+	nvmem-cells = <&et0macaddr 0>;
+	nvmem-cell-names = "mac-address";
+};
+
+&gmac1 {
+	nvmem-cells = <&et0macaddr 1>;
+	nvmem-cell-names = "mac-address";
+};
+
 &switch {
 	status = "okay";
 
-- 
2.55.0