[openwrt/openwrt] mediatek: fix broken UniFi 6 LR image

[LEDE Commits]

blocktrron pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/42d943f40a67fdbefe0bc9d445145969d6e5c8a0

commit 42d943f40a67fdbefe0bc9d445145969d6e5c8a0
Author: David Bauer <mail at david-bauer.net>
AuthorDate: Thu Mar 18 00:56:02 2021 +0100

    mediatek: fix broken UniFi 6 LR image
    
    Ubiquiti's own bootloader expects the configuration mode to be present
    with a "@" instead of a "-" for the sperator character. Otherwise
    booting of the image fails.
    
    Signed-off-by: David Bauer <mail at david-bauer.net>
---
 target/linux/mediatek/image/mt7622.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/mediatek/image/mt7622.mk b/target/linux/mediatek/image/mt7622.mk
index fd043ed85f..88d71600b2 100644
--- a/target/linux/mediatek/image/mt7622.mk
+++ b/target/linux/mediatek/image/mt7622.mk
@@ -193,6 +193,7 @@ TARGET_DEVICES += mediatek_mt7622-rfb1-ubi
 define Device/ubnt_unifi-6-lr
   DEVICE_VENDOR := Ubiquiti
   DEVICE_MODEL := UniFi 6 LR
+  DEVICE_DTS_CONFIG := config at 1
   DEVICE_DTS := mt7622-ubnt-unifi-6-lr
   DEVICE_DTS_DIR := ../dts
   DEVICE_PACKAGES := kmod-mt7915e