ramips: use lzma-loader on zbtlink devices

Fixes boot loader LZMA decompression issues

Signed-off-by: Felix Fietkau <[email protected]>

target/linux/ramips/image/mt7621.mk

@@ -1353,6 +1353,7 @@ TARGET_DEVICES += youku_yk-l2
 
 define Device/zbtlink_zbt-we1326
   $(Device/dsa-migration)
+  $(Device/uimage-lzma-loader)
   IMAGE_SIZE := 16064k
   DEVICE_VENDOR := Zbtlink
   DEVICE_MODEL := ZBT-WE1326
@@ -1363,6 +1364,7 @@ TARGET_DEVICES += zbtlink_zbt-we1326
 
 define Device/zbtlink_zbt-we3526
   $(Device/dsa-migration)
+  $(Device/uimage-lzma-loader)
   IMAGE_SIZE := 16064k
   DEVICE_VENDOR := Zbtlink
   DEVICE_MODEL := ZBT-WE3526
@@ -1373,6 +1375,7 @@ TARGET_DEVICES += zbtlink_zbt-we3526
 
 define Device/zbtlink_zbt-wg2626
   $(Device/dsa-migration)
+  $(Device/uimage-lzma-loader)
   IMAGE_SIZE := 16064k
   DEVICE_VENDOR := Zbtlink
   DEVICE_MODEL := ZBT-WG2626