drivers: wifi: siwx91x: Muliple TLS version

To support the SiWx917 Multiple TLS version,
Need to enable the SSL version bitmap
in the intilization

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

Author: ragurram26

drivers/wifi/siwx91x/Kconfig.siwx91x

@@ -164,6 +164,14 @@ config WIFI_SILABS_SIWX91X_SSL_HIGH_STREAMING
 	  This implementation is provided by the Network Co-Processor present
 	  on SiWx91x series.
 
+config WIFI_SILABS_SIWX91X_SSL_VERSIONS_SUPPORT
+	bool "Offloaded implementation of SSL/TLS multiple versions support"
+	help
+	  Enable this option to allow the device to support multiple versions
+	  of SSL/TLS over TCP, providing flexibility in handling different
+	  SSL/TLS versions.This implementation is provided by the Network
+	  Co-Processor present on SiWx91x series.
+
 config WIFI_SILABS_SIWX91X_ENABLE_ROAMING
 	bool "WiFi roaming support"
 	default y

soc/silabs/silabs_siwx91x/siwg917/nwp.c

@@ -158,6 +158,10 @@ static void siwx91x_configure_network_stack(sl_si91x_boot_configuration_t *boot_
 		boot_config->ext_tcp_ip_feature_bit_map |=
 			SL_SI91X_EXT_TCP_IP_FEAT_SSL_THREE_SOCKETS;
 	}
+	if (IS_ENABLED(CONFIG_WIFI_SILABS_SIWX91X_SSL_VERSIONS_SUPPORT)) {
+		boot_config->ext_custom_feature_bit_map |=
+			SL_SI91X_EXT_FEAT_SSL_VERSIONS_SUPPORT;
+	}
 	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);