ARM: dts: rmobile: Add SoC and board U-Boot DT extras

Add U-Boot DT extras for each SoC and board. This marks the required
nodes with u-boot,dm-pre-reloc to start clock and PRR early on while
avoiding modification of the DTs imported from Linux.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

arch/arm/dts/r8a7790-lager-u-boot.dts

@@ -0,0 +1,10 @@
+/*
+ * Device Tree Source extras for U-Boot for the Lager board
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a7790-lager.dts"
+#include "r8a7790-u-boot.dtsi"

arch/arm/dts/r8a7790-u-boot.dtsi

@@ -0,0 +1,13 @@
+/*
+ * Device Tree Source extras for U-Boot on RCar R8A7790 SoC
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a779x-u-boot.dtsi"
+
+&usb_extal_clk {
+	u-boot,dm-pre-reloc;
+};

arch/arm/dts/r8a7791-koelsch-u-boot.dts

@@ -0,0 +1,10 @@
+/*
+ * Device Tree Source extras for U-Boot for the Koelsch board
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a7791-koelsch.dts"
+#include "r8a7791-u-boot.dtsi"

arch/arm/dts/r8a7791-porter-u-boot.dts

@@ -0,0 +1,10 @@
+/*
+ * Device Tree Source extras for U-Boot for the Porter board
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a7791-porter.dts"
+#include "r8a7791-u-boot.dtsi"

arch/arm/dts/r8a7791-u-boot.dtsi

@@ -0,0 +1,13 @@
+/*
+ * Device Tree Source extras for U-Boot on RCar R8A7791 SoC
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a779x-u-boot.dtsi"
+
+&usb_extal_clk {
+	u-boot,dm-pre-reloc;
+};

arch/arm/dts/r8a7792-blanche-u-boot.dts

@@ -0,0 +1,10 @@
+/*
+ * Device Tree Source extras for U-Boot for the Blanche board
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a7792-blanche.dts"
+#include "r8a7792-u-boot.dtsi"

arch/arm/dts/r8a7792-u-boot.dtsi

@@ -0,0 +1,9 @@
+/*
+ * Device Tree Source extras for U-Boot on RCar R8A7792 SoC
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a779x-u-boot.dtsi"

arch/arm/dts/r8a7793-gose-u-boot.dts

@@ -0,0 +1,10 @@
+/*
+ * Device Tree Source extras for U-Boot for the Gose board
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a7793-gose.dts"
+#include "r8a7793-u-boot.dtsi"

arch/arm/dts/r8a7793-u-boot.dtsi

@@ -0,0 +1,13 @@
+/*
+ * Device Tree Source extras for U-Boot on RCar R8A7793 SoC
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a779x-u-boot.dtsi"
+
+&usb_extal_clk {
+	u-boot,dm-pre-reloc;
+};

arch/arm/dts/r8a7794-alt-u-boot.dts

@@ -0,0 +1,10 @@
+/*
+ * Device Tree Source extras for U-Boot for the Alt board
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a7794-alt.dts"
+#include "r8a7794-u-boot.dtsi"

arch/arm/dts/r8a7794-silk-u-boot.dts

@@ -0,0 +1,10 @@
+/*
+ * Device Tree Source extras for U-Boot for the Silk board
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a7794-silk.dts"
+#include "r8a7794-u-boot.dtsi"

arch/arm/dts/r8a7794-u-boot.dtsi

@@ -0,0 +1,13 @@
+/*
+ * Device Tree Source extras for U-Boot on RCar R8A7794 SoC
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a779x-u-boot.dtsi"
+
+&usb_extal_clk {
+	u-boot,dm-pre-reloc;
+};