ath79: fix identifier for Nanostation M in ath9k caldata extraction

When Nanostation M was renamed from ubnt,nano-m to ubnt,nanostation-m
in commit f1396ac753cc ("ath79: align naming of Ubiquiti Nanostation M"),
the caldata extraction in 10-ath9k-eeprom was overlooked.

Signed-off-by: Adrian Schmutzler <[email protected]>

target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom

@@ -83,7 +83,7 @@ case "$FIRMWARE" in
 	tplink,tl-wr842n-v1|\
 	ubnt,airrouter|\
 	ubnt,bullet-m|\
-	ubnt,nano-m|\
+	ubnt,nanostation-m|\
 	ubnt,rocket-m)
 		caldata_extract "art" 0x1000 0x1000
 		;;