[nrf fromtree] modules: hostap: Reduce workqueue stack

During experiments it was observed that workqueue uses a maximum of
3872 bytes, so, with cushion added set it to 4096.

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>
(cherry picked from commit 96dc3d3)

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 6144
+	default 4096
 
 config WIFI_NM_WPA_SUPPLICANT_WQ_PRIO
 	int "Thread priority of wpa_supplicant iface workqueue"