apm821xx: rename pciex to pcie

Fixes:

Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie"

Matches upstream commit: 86bc917d2ac117ec922dbf8ed92ca989bf333281

Signed-off-by: Rosen Penev <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/19425
Signed-off-by: Christian Marangi <[email protected]>

target/linux/apm821xx/base-files/etc/hotplug.d/ieee80211/05-wifi-migrate

@@ -0,0 +1,47 @@
+#!/bin/sh
+
+# This must run before 10-wifi-detect
+
+[ "${ACTION}" = "add" ] || return
+
+. /lib/functions.sh
+. /lib/functions/system.sh
+
+do_migrate_radio()
+{
+	local config="$1"
+
+	config_get from "$config" path
+
+	to=${from/pciex\//pcie\/}
+
+	# Checks if kernel version is less than 6.12.0, if it is and the path is
+	# using the new format, then path should be migrated to the old format.
+	[ "$(get_linux_version)" -lt "612000" ] && to=${from/pcie\//pciex\/}
+
+	[ "$from" = "$to" ] && return
+
+	uci set "wireless.${config}.path=${to}"
+	WIRELESS_CHANGED=true
+
+	logger -t wifi-migrate "Updated path of wireless.${config} from '${from}' to '${to}'"
+}
+
+migrate_radio()
+{
+	config_load wireless
+
+	config_foreach do_migrate_radio wifi-device
+}
+
+WIRELESS_CHANGED=false
+
+case "$(board_name)" in
+*)
+	migrate_radio
+	;;
+esac
+
+$WIRELESS_CHANGED && uci commit wireless
+
+exit 0

target/linux/apm821xx/dts/apm82181.dtsi

@@ -418,7 +418,7 @@
 			#size-cells = <0>;
 		};
 
-		PCIE0: pciex@d00000000 {
+		PCIE0: pcie@d00000000 {
 			device_type = "pci"; /* see ppc4xx_pci_find_bridge */
 			#interrupt-cells = <1>;
 			#size-cells = <2>;