exynos: Enable XHCI on exynos5250 boards

Once upon a time u-boot didn't support building with two usb host
controller types, these days it does. Enable XHCI in addition to the
existing EHCI support so user can plug usb devices in all available
ports regardless of the controller type.

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

configs/arndale_defconfig

@@ -31,4 +31,6 @@ CONFIG_SOUND_MAX98095=y
 CONFIG_SOUND_WM8994=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y

configs/smdk5250_defconfig

@@ -43,6 +43,8 @@ CONFIG_SOUND_WM8994=y
 CONFIG_EXYNOS_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y
 CONFIG_VIDEO_BRIDGE=y
 CONFIG_ERRNO_STR=y

configs/snow_defconfig

@@ -61,6 +61,8 @@ CONFIG_EXYNOS_SPI=y
 CONFIG_TPM_TIS_INFINEON=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y
 CONFIG_DM_VIDEO=y
 CONFIG_DISPLAY=y

configs/spring_defconfig

@@ -61,6 +61,8 @@ CONFIG_EXYNOS_SPI=y
 CONFIG_TPM_TIS_INFINEON=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y
 CONFIG_DM_VIDEO=y
 CONFIG_DISPLAY=y

include/configs/exynos5250-common.h

@@ -31,6 +31,8 @@
 #define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_EXYNOS
 
+#define CONFIG_USB_XHCI_EXYNOS
+
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_ASIX
 #define CONFIG_USB_ETHER_ASIX88179