ARM: EXYNOS: Add AUXDATA for DP controller

Use AUXDATA to set the device names for DP controller instance
discovered from device tree.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/mach-exynos5-dt.c

@@ -139,6 +139,7 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
 			"exynos-sysmmu.13", NULL), /* FIMC-LITE1 */
 	OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x10A60000,
 			"exynos-sysmmu.14", NULL), /* G2D */
+	OF_DEV_AUXDATA("samsung,exynos5-dp", 0x145B0000, "exynos-dp", NULL),
 	{},
 };