[PATCH] arm64: dts: marvell: espressobin: add ethernet alias

[Pali Rohár <pali@xxxxxxxxxx>]

From: Tomasz Maciej Nowak <tmn505@xxxxxxxxx>

commit 5253cb8c00a6f4356760efb38bca0e0393aa06de upstream.

The maker of this board and its variants, stores MAC address in U-Boot
environment. Add alias for bootloader to recognise, to which ethernet
node inject the factory MAC address.

Signed-off-by: Tomasz Maciej Nowak <tmn505@xxxxxxxxx>
Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
[pali: Backported to 4.14]
Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>

---
This patch is backport for 4.14 stable release. From original patch were
removed aliases for uarts as they are not defined in 4.14 kernel version.

Stable releases 4.19 and 5.4 already contain backport of this patch.
---
 arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
index 2ce52ba74f73..13c0ec053ada 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
@@ -52,6 +52,10 @@
 	model = "Globalscale Marvell ESPRESSOBin Board";
 	compatible = "globalscale,espressobin", "marvell,armada3720", "marvell,armada3710";
 
+	aliases {
+		ethernet0 = &eth0;
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
-- 
2.20.1