ARM: dts: mediatek: add MT7623 basic support

This adds basic chip support for Mediatek MT7623.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index a4a6d70..00d2826 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -809,6 +809,7 @@
 	mt6580-evbp1.dtb \
 	mt6589-aquaris5.dtb \
 	mt6592-evb.dtb \
+	mt7623-evb.dtb \
 	mt8127-moose.dtb \
 	mt8135-evbp1.dtb
 dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb