usb: host: Add ehci-vf USB driver for ARM Vybrid SoC's

This driver adds support for the USB peripheral on Freescale Vybrid
SoC's.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 7658f87..3b57e56 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -44,6 +44,7 @@
 obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o
 obj-$(CONFIG_USB_EHCI_UNIPHIER) += ehci-uniphier.o
 obj-$(CONFIG_USB_EHCI_VCT) += ehci-vct.o
+obj-$(CONFIG_USB_EHCI_VF) += ehci-vf.o
 obj-$(CONFIG_USB_EHCI_RMOBILE) += ehci-rmobile.o
 obj-$(CONFIG_USB_EHCI_ZYNQ) += ehci-zynq.o