platform/x86: Kconfig: add missing selects for ideapad-laptop

LED class support is needed by the ideapad-laptop module to compile after
the referenced commit. Add missing NEW_LEDS and LEDS_CLASS to Kconfig.

Fixes: 503325f8 ("platform/x86: ideapad-laptop: add keyboard backlight control support")
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210204142010.356675-1-pobrn@protonmail.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>

drivers/platform/x86/Kconfig

@@ -452,6 +452,8 @@ config IDEAPAD_LAPTOP
 	depends on ACPI_WMI || ACPI_WMI = n
 	depends on ACPI_PLATFORM_PROFILE
 	select INPUT_SPARSEKMAP
+	select NEW_LEDS
+	select LEDS_CLASS
 	help
 	  This is a driver for Lenovo IdeaPad netbooks contains drivers for
 	  rfkill switch, hotkey, fan control and backlight control.