[openwrt/openwrt] ramips: fix broken UniFi 6 Lite image

[LEDE Commits]

blocktrron pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/ac5675ec8f63d8cce5af066fa1fcf3906b9e8b2c

commit ac5675ec8f63d8cce5af066fa1fcf3906b9e8b2c
Author: David Bauer <mail at david-bauer.net>
AuthorDate: Thu Mar 18 00:54:25 2021 +0100

    ramips: fix broken UniFi 6 Lite 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/ramips/image/mt7621.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 396b112b76..21d192fc0b 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -1193,6 +1193,7 @@ define Device/ubnt_unifi-6-lite
   $(Device/dsa-migration)
   DEVICE_VENDOR := Ubiquiti
   DEVICE_MODEL := UniFi 6 Lite
+  DEVICE_DTS_CONFIG := config at 1
   DEVICE_PACKAGES += kmod-mt7603 kmod-mt7915e
   KERNEL := kernel-bin | lzma | fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb
   IMAGE_SIZE := 15424k