sunxi: DT: add support for Pinebook

Pinebook is a laptop produced by Pine64, with USB-connected keyboard,
USB-connected touchpad and an eDP LCD panel connected via a RGB-eDP
bridge from Analogix.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Vagrant Cascadian <vagrant@debian.org>
Reviewed-by: Jagan Teki <jagan@openedev.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 3093c11..eae6b9e 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -406,6 +406,7 @@
 	sun50i-a64-orangepi-win.dtb \
 	sun50i-a64-pine64-plus.dtb \
 	sun50i-a64-pine64.dtb \
+	sun50i-a64-pinebook.dtb \
 	sun50i-a64-sopine-baseboard.dtb
 dtb-$(CONFIG_MACH_SUN9I) += \
 	sun9i-a80-optimus.dtb \