arm64: dts: hisilicon: align LED node names with dtschema

The node names should be generic and DT schema expects certain pattern:

  hisilicon/hi3660-hikey960.dtb: leds: wlan_active_led: Unevaluated properties are not allowed ('linux,default-trigger' was unexpected)

Link: https://lore.kernel.org/r/20221125144140.477225-1-krzysztof.kozlowski@linaro.org


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>