[nrf fromtree] modules: hostap: Fix the SoF in iface_wq

In case interface is UP, the interface is added to WPA supplicant in the
iface_wq itself and the max stack size is 4264, so, increase the stack
size of the iface_wq.

If the interface is added via net_mgmt thread then it works fine.

Signed-off-by: Chaitanya Tata <[email protected]>
(cherry picked from commit e2bf746)

Author: krish2718

modules/hostap/Kconfig

@@ -35,7 +35,7 @@ config WIFI_NM_WPA_SUPPLICANT_THREAD_STACK_SIZE
 
 config WIFI_NM_WPA_SUPPLICANT_WQ_STACK_SIZE
 	int "Stack size for wpa_supplicant iface workqueue"
-	default 4096
+	default 4400
 
 config WIFI_NM_WPA_SUPPLICANT_WQ_PRIO
 	int "Thread priority of wpa_supplicant iface workqueue"