arm64: dts: allwinner: a64: enable Bluetooth on Pinebook

Pinebook has an RTL8723CS WiFi + BT chip. BT is connected to UART1
and uses PL5 as device wake GPIO and PL6 as host wake GPIO.

Enable it in the device tree.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Bastian Germann <bage@debian.org>
Reviewed-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20221105153319.19345-2-bage@debian.org


Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>