ar71xx: set mib-poll-interval on devices with ar8xxx switch

Commit "generic: ar8216: add mib_poll_interval switch attribute" sets
mib-poll-interval as disabled by default (was set to 2s), so it makes
switch LEDs trigger disfunctional on devices which don't have
mib-poll-interval set.

So this patch sets mib-poll-interval to 500ms on devices which are using
ar8xxx switch LEDs trigger, as the same value was set for built in
switches in 443fc9ac35 ("ath79: use ar8216 for builtin switch").

Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>

target/linux/ar71xx/base-files/etc/board.d/02_network

@@ -651,10 +651,60 @@ ar71xx_setup_macs()
 	[ -n "$wan_mac" ] && ucidef_set_interface_macaddr "wan" $wan_mac
 }
 
+ar71xx_setup_ar8xxx_switch()
+{
+	local board="$1"
+
+	case $board in
+	ap147-010|\
+	archer-c25-v1|\
+	archer-c58-v1|\
+	archer-c59-v1|\
+	archer-c59-v2|\
+	archer-c60-v1|\
+	archer-c60-v2|\
+	archer-c7-v4|\
+	archer-c7-v5|\
+	cf-e375ac|\
+	cf-e385ac|\
+	cr3000|\
+	dhp-1565-a1|\
+	mynet-n600|\
+	rb-2011il|\
+	rb-2011ils|\
+	rb-2011l|\
+	rb-2011uas|\
+	rb-2011uas-2hnd|\
+	rb-2011uias|\
+	rb-2011uias-2hnd|\
+	rb-2011uias-2hnd-r2|\
+	rb-750|\
+	rb-750p-pbr2|\
+	rb-750-r2|\
+	rb-750up-r2|\
+	rb-951ui-2nd|\
+	rb-952ui-5ac2nd|\
+	rb-map-2nd|\
+	tl-wr1043nd-v4|\
+	tl-wr1043n-v5|\
+	wndr3700v4|\
+	wndr3700v4|\
+	wndr4300|\
+	wnr1000-v2|\
+	wnr2000-v3|\
+	wnr2200|\
+	wnr612-v2|\
+	wpn824n)
+		ucidef_set_ar8xxx_switch_mib "switch0" 0 500
+		;;
+	esac
+}
+
 board_config_update
 board=$(board_name)
 ar71xx_setup_interfaces $board
 ar71xx_setup_macs $board
+ar71xx_setup_ar8xxx_switch $board
 board_config_flush
 
 exit 0