arm64: dts: hikey960: add LED nodes

HiKey960 has four user LEDs, and two special purpose LEDs: WiFi and BT
respectively.

All of them are implemented as GPIO.

Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
1 file changed