uboot-envtools: fix GL-MT2500 offset

The previous offsets did also work, as they've wrapped back to 0x0.
However, in reality the environment starts at offset 0x0 of the
u-boot-env MMC partition.

Signed-off-by: David Bauer <[email protected]>

package/boot/uboot-envtools/files/mediatek_filogic

@@ -74,17 +74,14 @@ xiaomi,redmi-router-ax6000-ubootmod)
 	ubootenv_add_uci_config "$envdev" "0x0" "0x1f000" "0x20000" "1"
 	ubootenv_add_uci_config "$envdev2" "0x0" "0x1f000" "0x20000" "1"
 	;;
-glinet,gl-mt2500)
+glinet,gl-mt2500|\
+glinet,gl-mt6000)
 	local envdev=$(find_mmc_part "u-boot-env")
-	ubootenv_add_uci_config "$envdev" "0x400000" "0x80000"
+	ubootenv_add_uci_config "$envdev" "0x0" "0x80000"
 	;;
 glinet,gl-mt3000)
 	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x80000" "0x20000"
 	;;
-glinet,gl-mt6000)
-	local envdev=$(find_mmc_part "u-boot-env")
-	ubootenv_add_uci_config "$envdev" "0x0" "0x80000"
-	;;
 mercusys,mr90x-v1)
 	local envdev=/dev/mtd$(find_mtd_index "u-boot-env")
 	ubootenv_add_uci_config "$envdev" "0x0" "0x20000" "0x20000" "1"