qualcommax: ipq807x: fix mac setup for Linksys MX4200v2

Currently for Linksys MX4200v2 all u-boot ethXaddr variables share the same MAC address
and there is no need to check them one by one.

Signed-off-by: Paweł Owoc <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/16070
(cherry picked from commit 80c867815636cbf32e85b431c5d06c531e4a371e)
Signed-off-by: Rafal Boni <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/17889
Signed-off-by: Robert Marko <[email protected]>

target/linux/qualcommax/ipq807x/base-files/etc/board.d/02_network

@@ -82,10 +82,8 @@ ipq807x_setup_macs()
 	case "$board" in
 		linksys,mx4200v2)
 			label_mac=$(mtd_get_mac_ascii devinfo hw_mac_addr)
-			for i in $(seq 3 5); do
-				[ "$(mtd_get_mac_ascii u_env eth${i}addr)" != "$label_mac" ] && lan_mac=$label_mac
-			done
-			[ "$(mtd_get_mac_ascii u_env eth2addr)" != "$label_mac" ] && wan_mac=$label_mac
+			[ "$(mtd_get_mac_ascii u_env eth1addr)" != "$label_mac" ] && wan_mac=$label_mac
+			[ "$(mtd_get_mac_ascii u_env eth2addr)" != "$label_mac" ] && lan_mac=$label_mac
 		;;
 		linksys,mx8500)
 			label_mac=$(mtd_get_mac_ascii devinfo hw_mac_addr)