[][Add non-DSA MT7531 driver support on Panther]

[Description]
Add non-DSA MT7531 driver support on Panther for 2.5G LAN/WAN
peak throughput test without additional 4-bytes special tag
used by DSA switch driver.

Driver difference:
DSA: "lan0" to "lan5" network interface for each switch port.
Non-DSA: "eth0" for all LAN ports, "eth1" for WAN port.

[Release-log]
N/A

Change-Id: I27a3efd10d1bc1709a4123331266adbf04b2ca7f
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5422351
diff --git a/target/linux/mediatek/image/mt7986.mk b/target/linux/mediatek/image/mt7986.mk
index 9e99b16..689f1f0 100644
--- a/target/linux/mediatek/image/mt7986.mk
+++ b/target/linux/mediatek/image/mt7986.mk
@@ -97,6 +97,23 @@
 endef
 TARGET_DEVICES += mt7986a-ax6000-2500wan-spim-nand-rfb
 
+define Device/mt7986a-ax6000-2500wan-gsw-spim-nand-rfb
+  DEVICE_VENDOR := MediaTek
+  DEVICE_MODEL := mt7986a-ax6000-2500wan-gsw-spim-nand-rfb (SPI-NAND,UBI)
+  DEVICE_DTS := mt7986a-2500wan-gsw-spim-nand-rfb
+  DEVICE_DTS_DIR := $(DTS_DIR)/mediatek
+  SUPPORTED_DEVICES := mediatek,mt7986a-2500wan-gsw-spim-nand-rfb
+  UBINIZE_OPTS := -E 5
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  IMAGE_SIZE := 65536k
+  KERNEL_IN_UBI := 1
+  IMAGES += factory.bin
+  IMAGE/factory.bin := append-ubi | check-size $$$$(IMAGE_SIZE)
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+endef
+TARGET_DEVICES += mt7986a-ax6000-2500wan-gsw-spim-nand-rfb
+
 define Device/mt7986a-ax8400-2500wan-spim-nand-rfb
   DEVICE_VENDOR := MediaTek
   DEVICE_MODEL := mt7986a-ax8400-2500wan-spim-nand-rfb (SPI-NAND,UBI)
@@ -244,6 +261,23 @@
 endef
 TARGET_DEVICES += mt7986b-ax6000-2500wan-spim-nand-rfb
 
+define Device/mt7986b-ax6000-2500wan-gsw-spim-nand-rfb
+  DEVICE_VENDOR := MediaTek
+  DEVICE_MODEL := mt7986b-ax6000-2500wan-gsw-spim-nand-rfb (SPI-NAND,UBI)
+  DEVICE_DTS := mt7986b-2500wan-gsw-spim-nand-rfb
+  DEVICE_DTS_DIR := $(DTS_DIR)/mediatek
+  SUPPORTED_DEVICES := mediatek,mt7986b-2500wan-gsw-spim-nand-rfb
+  UBINIZE_OPTS := -E 5
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  IMAGE_SIZE := 65536k
+  KERNEL_IN_UBI := 1
+  IMAGES += factory.bin
+  IMAGE/factory.bin := append-ubi | check-size $$$$(IMAGE_SIZE)
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+endef
+TARGET_DEVICES += mt7986b-ax6000-2500wan-gsw-spim-nand-rfb
+
 define Device/mt7986b-ax6000-2500wan-snfi-nand-rfb
   DEVICE_VENDOR := MediaTek
   DEVICE_MODEL := mt7986b-ax6000-2500wan-snfi-nand-rfb (SPI-NAND,UBI)