drivers: wifi: siwx91x: Enable roaming by default

Set the default value for WIFI_SILABS_SIWX91X_ENABLE_ROAMING to y in
Kconfig.siwx91x

Signed-off-by: Muzaffar Ahmed <muzaffar.ahmed@silabs.com>

Author: muahmed-silabs

drivers/wifi/siwx91x/Kconfig.siwx91x

@@ -55,6 +55,7 @@ config WIFI_SILABS_SIWX91X_LIMIT_PACKET_BUF_PER_STA
 
 config WIFI_SILABS_SIWX91X_ENABLE_ROAMING
 	bool "WiFi roaming support"
+	default y
 	help
 	  Enable this option to configure roaming parameters.
 	  Roaming will be enabled automatically when the
@@ -72,7 +73,7 @@ config WIFI_SILABS_SIWX91X_ROAMING_USE_DEAUTH
 config WIFI_SILABS_SIWX91X_ROAMING_TRIGGER_LEVEL
 	int "Default value of roam trigger level (in dBm)"
 	default -70
-	range -10 -100
+	range -100 -10
 	depends on WIFI_SILABS_SIWX91X_ENABLE_ROAMING
 	help
 	  Sets the default roam trigger level. Higher values trigger