ath79: fix Archer A7 v5 5GHz MAC adress

Currently all Archer A7 v5 have the same (incorrect) MAC address.
The address is currently derived from eth1 which is not present on the
QCA9563. Use eth0 to get the correct MAC address.

Signed-off-by: David Bauer <mail@david-bauer.net>

target/linux/ath79/base-files/etc/hotplug.d/firmware/11-ath10k-caldata

@@ -113,11 +113,11 @@ case "$FIRMWARE" in
 		ath10kcal_extract "ART" 20480 2116
 		ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +16)
 		;;
-	tplink,archer-a7-v5|\
 	tplink,archer-c7-v2)
 		ath10kcal_extract "art" 20480 2116
 		ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth1/address) -1)
 		;;
+	tplink,archer-a7-v5|\
 	tplink,archer-c7-v5)
 		ath10kcal_extract "art" 20480 2116
 		ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) -1)