[openwrt/openwrt] Revert "mpc85xx: remove Watchguard T10 MAC override"

[LEDE Commits]

blocktrron pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/f003217ddfa1e3400b6b813410c8dd4aedf5d92a

commit f003217ddfa1e3400b6b813410c8dd4aedf5d92a
Author: David Bauer <mail at david-bauer.net>
AuthorDate: Mon Apr 3 03:06:45 2023 +0200

    Revert "mpc85xx: remove Watchguard T10 MAC override"
    
    This reverts commit aa4a9058fbf4d2ca7ef3af9ebb5bbec896625e93.
    
    The assumption the bootloader fills out the MAC-address is not
    correct. The MAC-address has to be set from userspace based on
    information found in the device_id partition.
    
    Signed-off-by: David Bauer <mail at david-bauer.net>
---
 target/linux/mpc85xx/base-files/lib/preinit/10_fix_eth_mac.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/target/linux/mpc85xx/base-files/lib/preinit/10_fix_eth_mac.sh b/target/linux/mpc85xx/base-files/lib/preinit/10_fix_eth_mac.sh
index 462a9e9dd8..0d9058420b 100644
--- a/target/linux/mpc85xx/base-files/lib/preinit/10_fix_eth_mac.sh
+++ b/target/linux/mpc85xx/base-files/lib/preinit/10_fix_eth_mac.sh
@@ -7,6 +7,11 @@ preinit_set_mac_address() {
 		ip link set dev eth0 address $(mtd_get_mac_ascii cfg1 ethaddr)
 		ip link set dev eth1 address $(mtd_get_mac_ascii cfg1 eth1addr)
 		;;
+	watchguard,firebox-t10)
+		ip link set dev eth0 address "$(mtd_get_mac_text "device_id" 0x1830)"
+		ip link set dev eth1 address "$(mtd_get_mac_text "device_id" 0x1844)"
+		ip link set dev eth2 address "$(mtd_get_mac_text "device_id" 0x1858)"
+		;;
 	esac
 }