ARM: sun7i: add support for A20-OLinuXino-Lime2

This adds support for the Olimex A20-OLinuXino-Lime2
https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2

Differences to previous Lime boards are 1GB RAM and gigabit ethernet

Signed-off-by: Iain Paton <ipaton0@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 86669fe..a84668a 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -442,6 +442,7 @@
 	sun7i-a20-i12-tvbox.dtb \
 	sun7i-a20-m3.dtb \
 	sun7i-a20-olinuxino-lime.dtb \
+	sun7i-a20-olinuxino-lime2.dtb \
 	sun7i-a20-olinuxino-micro.dtb \
 	sun7i-a20-pcduino3.dtb
 dtb-$(CONFIG_MACH_SUN8I) += \