[openwrt/openwrt] ramips: fix Mercusys MR70X LAN port assignments

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/191da235510ca572d37a7e05fd5ec647d2df22a9

commit 191da235510ca572d37a7e05fd5ec647d2df22a9
Author: Andreas Böhler <dev at aboehler.at>
AuthorDate: Mon Sep 18 11:55:57 2023 +0200

    ramips: fix Mercusys MR70X LAN port assignments
    
    A bug report in the forum found that the MR70X lists four LAN ports in LuCI
    while it has only three. This adds the device to the network setup file
    to fix the issue.
    
    Identified-by: Forum User "Lexeyko"
    Signed-off-by: Andreas Böhler <dev at aboehler.at>
---
 target/linux/ramips/mt7621/base-files/etc/board.d/02_network | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
index e0b229c7ee..4496bf8f9f 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -17,6 +17,7 @@ ramips_setup_interfaces()
 	h3c,tx1806|\
 	haier,har-20s2u1|\
 	hiwifi,hc5962|\
+	mercusys,mr70x-v1|\
 	netgear,wax202|\
 	sim,simax1800t|\
 	xiaomi,mi-router-3-pro|\