arm64: dts: uniphier: add support for LD20 Global board

Add initial device tree support for LD20 Global board.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ae9ee68..9cc5c1e 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -100,6 +100,7 @@
 	uniphier-ld11-global.dtb \
 	uniphier-ld11-ref.dtb
 dtb-$(CONFIG_ARCH_UNIPHIER_LD20) += \
+	uniphier-ld20-global.dtb \
 	uniphier-ld20-ref.dtb
 dtb-$(CONFIG_ARCH_UNIPHIER_LD4) += \
 	uniphier-ld4-ref.dtb