ARM: dts: add node for PL330 MDMA1 controller for exynos4

Add missing PL330 MDMA1 controller node to the device tree (DT).

[ Currently there is no problem with using 'non-secure' mdma1 address
  instead of 'secure' one on revision 0 of Exynos4210 SOC (as used by
  Universal C210 board) as this SOC revision is unsupported by DT. ]

Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos4.dtsi

@@ -244,5 +244,11 @@
 			reg = <0x12690000 0x1000>;
 			interrupts = <0 36 0>;
 		};
+
+		mdma1: mdma@12850000 {
+			compatible = "arm,pl330", "arm,primecell";
+			reg = <0x12850000 0x1000>;
+			interrupts = <0 34 0>;
+		};
 	};
 };

arch/arm/mach-exynos/mach-exynos4-dt.c

@@ -77,6 +77,7 @@ static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = {
 				"exynos4210-spi.2", NULL),
 	OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA0, "dma-pl330.0", NULL),
 	OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA1, "dma-pl330.1", NULL),
+	OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_MDMA1, "dma-pl330.2", NULL),
 	{},
 };