ARM: EXYNOS: Enable XHCI support on exynos5

This patch enables support for XHCI on exynos5 series of SOCs,
to support host side USB 3.0 support.
Signed-off-by: NVivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/Kconfig

@@ -429,6 +429,7 @@ config MACH_EXYNOS5_DT
 	depends on ARCH_EXYNOS5
 	select ARM_AMBA
 	select CLKSRC_OF
+	select USB_ARCH_HAS_XHCI
 	select USE_OF
 	help
 	  Machine support for Samsung EXYNOS5 machine with device tree enabled.