arm64: dts: uniphier: match DT names to other projects and documents

All UniPhier device trees have the common prefix "uniphier-", so
"ph1-" is just making names longer.  Recent documents and other
projects are not using PH1- prefixes any more.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm64/boot/dts/socionext/Makefile

-dtb-$(CONFIG_ARCH_UNIPHIER) += uniphier-ph1-ld20-ref.dtb
+dtb-$(CONFIG_ARCH_UNIPHIER) += uniphier-ld20-ref.dtb
 
 always		:= $(dtb-y)
 clean-files	:= *.dtb

arch/arm64/boot/dts/socionext/uniphier-ph1-ld20-ref.dts → arch/arm64/boot/dts/socionext/uniphier-ld20-ref.dts

 /*
- * Device Tree Source for UniPhier PH1-LD20 Reference Board
+ * Device Tree Source for UniPhier LD20 Reference Board
  *
- * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ * Copyright (C) 2015-2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * This file is dual-licensed: you can use it either under the terms
  * of the GPL or the X11 license, at your option. Note that this dual
@@ -43,13 +44,13 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-ph1-ld20.dtsi"
+/include/ "uniphier-ld20.dtsi"
 /include/ "uniphier-ref-daughter.dtsi"
 /include/ "uniphier-support-card.dtsi"
 
 / {
-	model = "UniPhier PH1-LD20 Reference Board";
-	compatible = "socionext,ph1-ld20-ref", "socionext,ph1-ld20";
+	model = "UniPhier LD20 Reference Board";
+	compatible = "socionext,uniphier-ld20-ref", "socionext,uniphier-ld20";
 
 	memory {
 		device_type = "memory";

arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi → arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi

 /*
- * Device Tree Source for UniPhier PH1-LD20 SoC
+ * Device Tree Source for UniPhier LD20 SoC
  *
- * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ * Copyright (C) 2015-2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * This file is dual-licensed: you can use it either under the terms
  * of the GPL or the X11 license, at your option. Note that this dual
@@ -45,7 +46,7 @@
 /memreserve/ 0x80000000 0x00000008;	/* cpu-release-addr */
 
 / {
-	compatible = "socionext,ph1-ld20";
+	compatible = "socionext,uniphier-ld20";
 	#address-cells = <2>;
 	#size-cells = <2>;
 	interrupt-parent = <&gic>;
@@ -271,7 +272,7 @@ soc-glue@5f800000 {
 			reg = <0x5f800000 0x2000>;
 
 			pinctrl: pinctrl {
-				 compatible = "socionext,uniphier-ld20-pinctrl";
+				compatible = "socionext,uniphier-ld20-pinctrl";
 			};
 		};