acpi-wmi: Unmark as 'experimental'

ACPI-WMI isn't experimental anymore, and there are other drivers that now
depend on it that aren't either.

Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/platform/x86/Kconfig

@@ -315,9 +315,8 @@ config EEEPC_LAPTOP
 
 
 config ACPI_WMI
-	tristate "WMI (EXPERIMENTAL)"
+	tristate "WMI"
 	depends on ACPI
-	depends on EXPERIMENTAL
 	help
 	  This driver adds support for the ACPI-WMI (Windows Management
 	  Instrumentation) mapper device (PNP0C14) found on some systems.