ath79: fix model name of Extreme Networks WS-AP3805i

Everywhere else the device is referred to as WS-AP3805i,
only the model name wrongly only said AP3805i.
Signed-off-by: NTom Herbers <mail@tomherbers.de>
(cherry picked from commit 7d6032f3)

target/linux/ath79/dts/qca9557_extreme-networks_ws-ap3805i.dts

@@ -7,7 +7,7 @@
 
 / {
 	compatible = "extreme-networks,ws-ap3805i", "qca,qca9557";
-	model = "Extreme Networks AP3805i";
+	model = "Extreme Networks WS-AP3805i";
 
 	aliases {
 		led-boot = &led_power_green;