[openwrt/openwrt] ramips: Fix Hongdian H7920 v40 mac address

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/c907c7c9b3f0b66bbafc75a2ae1111fbf873a1c3

commit c907c7c9b3f0b66bbafc75a2ae1111fbf873a1c3
Author: Coia Prant <coiaprant at gmail.com>
AuthorDate: Wed Oct 1 17:09:32 2025 +0800

    ramips: Fix Hongdian H7920 v40 mac address
    
    After extracting the EEPROMs of different devices, only the 0x4 address is unique.
    
    Use the 0x4 address as the LAN address, and the LAN+1 address as the WAN address.
    
    Signed-off-by: Coia Prant <coiaprant at gmail.com>
    Link: https://github.com/openwrt/openwrt/pull/20256
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 target/linux/ramips/dts/mt7628an_hongdian_h7920-v40.dts      | 6 +++---
 target/linux/ramips/mt76x8/base-files/etc/board.d/02_network | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/target/linux/ramips/dts/mt7628an_hongdian_h7920-v40.dts b/target/linux/ramips/dts/mt7628an_hongdian_h7920-v40.dts
index 6c165fc3bf..d29b131aa6 100644
--- a/target/linux/ramips/dts/mt7628an_hongdian_h7920-v40.dts
+++ b/target/linux/ramips/dts/mt7628an_hongdian_h7920-v40.dts
@@ -123,8 +123,8 @@
 						reg = <0x0 0x400>;
 					};
 
-					macaddr_factory_28: macaddr at 28 {
-						reg = <0x28 0x6>;
+					macaddr_factory_4: macaddr at 4 {
+						reg = <0x4 0x6>;
 					};
 				};
 			};
@@ -146,7 +146,7 @@
 };
 
 &ethernet {
-	nvmem-cells = <&macaddr_factory_28>;
+	nvmem-cells = <&macaddr_factory_4>;
 	nvmem-cell-names = "mac-address";
 };
 
diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
index ec88ab43bd..0b3899a07a 100644
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
@@ -284,6 +284,7 @@ ramips_setup_macs()
 		label_mac=$(mtd_get_mac_binary factory 0x4)
 		;;
 	duzun,dm06|\
+	hongdian,h7920-v40|\
 	netgear,r6020|\
 	netgear,r6080|\
 	netgear,r6120|\
@@ -302,7 +303,6 @@ ramips_setup_macs()
 	totolink,a3)
 		wan_mac=$(mtd_get_mac_binary u-boot 0x1fc40)
 		;;
-	hongdian,h7920-v40|\
 	jotale,js76x8-8m|\
 	jotale,js76x8-16m|\
 	jotale,js76x8-32m|\