ARM: dts: uniphier: use Ref Daughter board on PH1-LD20 Ref board

This makes the EEPROM device on the Reference Daughter board
available.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/dts/uniphier-ph1-ld20-ref.dts

@@ -8,6 +8,7 @@
 
 /dts-v1/;
 /include/ "uniphier-ph1-ld20.dtsi"
+/include/ "uniphier-ref-daughter.dtsi"
 /include/ "uniphier-support-card.dtsi"
 
 / {