ar71xx: Fix 5 GHz MAC address for Archer C60 v2

Looks like C60 v2 needs the MAC address to be calculated
manually, while the C60 v1 gets it correctly without manual
interference.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata

@@ -171,13 +171,18 @@ case "$FIRMWARE" in
 	archer-c59-v1|\
 	archer-c59-v2|\
 	archer-c60-v1|\
-	archer-c60-v2|\
 	cf-e355ac-v2|\
 	cf-e375ac)
 		ath10kcal_extract "art" 20480 12064
 		ln -sf /lib/firmware/ath10k/pre-cal-pci-0000\:00\:00.0.bin \
 			/lib/firmware/ath10k/QCA9888/hw2.0/board.bin
 		;;
+	archer-c60-v2)
+		ath10kcal_extract "art" 20480 12064
+		ln -sf /lib/firmware/ath10k/pre-cal-pci-0000\:00\:00.0.bin \
+			/lib/firmware/ath10k/QCA9888/hw2.0/board.bin
+		ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) -1)
+		;;
 	cf-e385ac)
 		ath10kcal_extract "art" 20480 12064
 		;;