mediatek: EX5601-T0 add Zyxel EX5601-T1 and T-56 alias

Define EX5601-T1 and T-56 as alternative name, to explicitly show
the device is supported using existing image. EX5601-T1 does not
have the option to switch between WAN/SFP port. The switch port
is hardwired to the WAN port. The Zyxel T-56 is the odido-branded
version of the EX5601-T1.

Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Link: https://github.com/openwrt/openwrt/pull/17615


Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 3d63a41f)

target/linux/mediatek/image/filogic.mk

@@ -1628,6 +1628,10 @@ TARGET_DEVICES += zbtlink_zbt-z8103ax
 define Device/zyxel_ex5601-t0-stock
   DEVICE_VENDOR := Zyxel
   DEVICE_MODEL := EX5601-T0
+  DEVICE_ALT0_VENDOR := Zyxel
+  DEVICE_ALT0_MODEL := EX5601-T1
+  DEVICE_ALT1_VENDOR := Zyxel
+  DEVICE_ALT1_MODEL := T-56
   DEVICE_VARIANT := (stock layout)
   DEVICE_DTS := mt7986a-zyxel-ex5601-t0-stock
   DEVICE_DTS_DIR := ../dts
@@ -1651,6 +1655,10 @@ TARGET_DEVICES += zyxel_ex5601-t0-stock
 define Device/zyxel_ex5601-t0-ubootmod
   DEVICE_VENDOR := Zyxel
   DEVICE_MODEL := EX5601-T0
+  DEVICE_ALT0_VENDOR := Zyxel
+  DEVICE_ALT0_MODEL := EX5601-T1
+  DEVICE_ALT1_VENDOR := Zyxel
+  DEVICE_ALT1_MODEL := T-56
   DEVICE_VARIANT := (OpenWrt U-Boot layout)
   DEVICE_DTS := mt7986a-zyxel-ex5601-t0-ubootmod
   DEVICE_DTS_DIR := ../dts