ARM: dts: rmobile: Move the u-boot,dm-pre-reloc into u-boot DTS on porter

Fix ommission where the u-boot,dm-pre-reloc DT bit was pulled into the
common DT, not the U-Boot specific DT part. Move it to U-Boot DT part.
Signed-off-by: NMarek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

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

@@ -8,3 +8,7 @@
 
 #include "r8a7791-porter.dts"
 #include "r8a7791-u-boot.dtsi"
+
+&scif0 {
+	u-boot,dm-pre-reloc;
+};

arch/arm/dts/r8a7791-porter.dts

@@ -214,7 +214,6 @@
 &scif0 {
 	pinctrl-0 = <&scif0_pins>;
 	pinctrl-names = "default";
-	u-boot,dm-pre-reloc;
 
 	status = "okay";
 };