usb: isp1760: Move driver from drivers/usb/host/ to drivers/usb/isp1760/

Now that this is DRD, it doesn't make sense to keep it under
drivers/usb/host.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index d7be717..2f1e2aa 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -8,6 +8,7 @@
 
 obj-$(CONFIG_USB_DWC3)		+= dwc3/
 obj-$(CONFIG_USB_DWC2)		+= dwc2/
+obj-$(CONFIG_USB_ISP1760)	+= isp1760/
 
 obj-$(CONFIG_USB_MON)		+= mon/
 
@@ -23,7 +24,6 @@
 obj-$(CONFIG_USB_U132_HCD)	+= host/
 obj-$(CONFIG_USB_R8A66597_HCD)	+= host/
 obj-$(CONFIG_USB_HWA_HCD)	+= host/
-obj-$(CONFIG_USB_ISP1760_HCD)	+= host/
 obj-$(CONFIG_USB_IMX21_HCD)	+= host/
 obj-$(CONFIG_USB_FSL_MPH_DR_OF)	+= host/
 obj-$(CONFIG_USB_FUSBH200_HCD)	+= host/