[nrf fromlist] snippets: wifi: raise wpa_supplicant stack for nRF enterprise

Enterprise TLS needs more stack and heap than the hostap default for nRF platforms.

Upstream PR #: 109798

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>

Author: krish2718

snippets/wifi/wifi-enterprise/wifi-enterprise-nrf.conf

@@ -1,5 +1,6 @@
 # nRF5340 app RAM is 448 KiB; trim heaps vs wifi-enterprise.conf (100000 / 70000).
 CONFIG_NRF_WIFI_DATA_HEAP_SIZE=28672
 CONFIG_MBEDTLS_HEAP_SIZE=70000
+CONFIG_WIFI_NM_WPA_SUPPLICANT_THREAD_STACK_SIZE=9000
 CONFIG_WIFI_CREDENTIALS_RUNTIME_CERTIFICATES=y
 CONFIG_WIFI_SHELL_RUNTIME_CERTIFICATES=y