rockchip: dts: tinker: Move u-boot dmc initialization to specific section

dmc is used to initialize the memory controller. It's needed by
u-boot. Move it in the specific section
Signed-off-by: NMichael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: NKever Yang <kever.yang@rock-chips.com>

arch/arm/dts/rk3288-tinker-u-boot.dtsi

@@ -5,6 +5,18 @@
 
 #include "rk3288-u-boot.dtsi"
 
+&dmc {
+	u-boot,dm-pre-reloc;
+	rockchip,pctl-timing = <0x215 0xc8 0x0 0x35 0x26 0x2 0x70 0x2000d
+		0x6 0x0 0x8 0x4 0x17 0x24 0xd 0x6
+		0x4 0x8 0x4 0x76 0x4 0x0 0x30 0x0
+		0x1 0x2 0x2 0x4 0x0 0x0 0xc0 0x4
+		0x8 0x1f4>;
+	rockchip,phy-timing = <0x48d7dd93 0x187008d8 0x121076
+		0x0 0xc3 0x6 0x2>;
+	rockchip,sdram-params = <0x20d266a4 0x5b6 2 533000000 6 9 0>;
+};
+
 &pinctrl {
 	u-boot,dm-pre-reloc;
 };

arch/arm/dts/rk3288-tinker.dts

@@ -15,18 +15,6 @@
 	};
 };
 
-&dmc {
-	rockchip,pctl-timing = <0x215 0xc8 0x0 0x35 0x26 0x2 0x70 0x2000d
-		0x6 0x0 0x8 0x4 0x17 0x24 0xd 0x6
-		0x4 0x8 0x4 0x76 0x4 0x0 0x30 0x0
-		0x1 0x2 0x2 0x4 0x0 0x0 0xc0 0x4
-		0x8 0x1f4>;
-	rockchip,phy-timing = <0x48d7dd93 0x187008d8 0x121076
-		0x0 0xc3 0x6 0x2>;
-	rockchip,sdram-params = <0x20d266a4 0x5b6 2 533000000 6 9 0>;
-};
-
-
 &pinctrl {
 	usb {
 		host_vbus_drv: host-vbus-drv {