drivers: wifi: siwx91x: Adding Three SSL bitmap

To support the SiWx917 Three SSL Sockets,
Need to enable the Three SSL bitmap in
the intilization

Signed-off-by: Rahul Gurram <rahul.gurram@silabs.com>

Author: ragurram26

drivers/wifi/siwx91x/Kconfig.siwx91x

@@ -150,6 +150,13 @@ config WIFI_SILABS_SIWX91X_ENABLE_SINGLE_TLS_SOCKET
 	  implementation over the network provided by the Network
 	  Co-Processor present on SiWx91x series.
 
+config WIFI_SILABS_SIWX91X_ENABLE_THREE_SSL_SOCKETS
+	bool "Offloaded implementation of 3 SSL/TLS sockets"
+	help
+	  Enable this option to support up to three SSL socket implementations
+	  over the network, utilizing the Network Co-Processor available in
+	  the SiWx91x series.
+
 config WIFI_SILABS_SIWX91X_ENABLE_ROAMING
 	bool "WiFi roaming support"
 	default y

soc/silabs/silabs_siwx91x/siwg917/nwp.c

@@ -151,6 +151,10 @@ static void siwx91x_configure_network_stack(sl_si91x_boot_configuration_t *boot_
 	if (IS_ENABLED(CONFIG_WIFI_SILABS_SIWX91X_MQTT_CLIENT)) {
 		boot_config->ext_tcp_ip_feature_bit_map |= SL_SI91X_EXT_EMB_MQTT_ENABLE;
 	}
+	if (IS_ENABLED(CONFIG_WIFI_SILABS_SIWX91X_ENABLE_THREE_SSL_SOCKETS)) {
+		boot_config->ext_tcp_ip_feature_bit_map |=
+			SL_SI91X_EXT_TCP_IP_FEAT_SSL_THREE_SOCKETS;
+	}
 	boot_config->ext_tcp_ip_feature_bit_map |= SL_SI91X_EXT_TCP_IP_WINDOW_SCALING;
 	boot_config->ext_tcp_ip_feature_bit_map |= SL_SI91X_EXT_TCP_IP_TOTAL_SELECTS(10);