ARM: dts: uniphier: sync DT with latest Linux

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/configs/uniphier_ld4_sld8_defconfig b/configs/uniphier_ld4_sld8_defconfig
index c18f042..b141561 100644
--- a/configs/uniphier_ld4_sld8_defconfig
+++ b/configs/uniphier_ld4_sld8_defconfig
@@ -7,7 +7,7 @@
 CONFIG_ARCH_UNIPHIER_LD4_SLD8=y
 CONFIG_MICRO_SUPPORT_CARD=y
 CONFIG_SYS_TEXT_BASE=0x84000000
-CONFIG_DEFAULT_DEVICE_TREE="uniphier-ph1-ld4-ref"
+CONFIG_DEFAULT_DEVICE_TREE="uniphier-ld4-ref"
 CONFIG_SPL_NOR_SUPPORT=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y