usb: dwc3: always compile gadget side too

We can decide in runtime if that will be used
or not.

Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/dwc3/Kconfig

@@ -2,6 +2,8 @@ config USB_DWC3
 	tristate "DesignWare USB3 DRD Core Support"
 	depends on (USB || USB_GADGET)
 	select USB_OTG_UTILS
+	select USB_GADGET_DUALSPEED
+	select USB_GADGET_SUPERSPEED
 	select USB_XHCI_PLATFORM
 	help
 	  Say Y or M here if your system has a Dual Role SuperSpeed

drivers/usb/dwc3/Makefile

@@ -5,11 +5,7 @@ obj-$(CONFIG_USB_DWC3)			+= dwc3.o
 
 dwc3-y					:= core.o
 dwc3-y					+= host.o
-
-ifneq ($(CONFIG_USB_GADGET_DWC3),)
-	dwc3-y				+= gadget.o ep0.o
-endif
-
+dwc3-y					+= gadget.o ep0.o
 
 ifneq ($(CONFIG_DEBUG_FS),)
 	dwc3-y				+= debugfs.o

drivers/usb/dwc3/gadget.h

@@ -110,18 +110,8 @@ static inline void dwc3_gadget_move_request_queued(struct dwc3_request *req)
 	list_move_tail(&req->list, &dep->req_queued);
 }
 
-#if defined(CONFIG_USB_GADGET_DWC3) || defined(CONFIG_USB_GADGET_DWC3_MODULE)
 int dwc3_gadget_init(struct dwc3 *dwc);
 void dwc3_gadget_exit(struct dwc3 *dwc);
-#else
-static inline int dwc3_gadget_init(struct dwc3 *dwc) { return 0; }
-static inline void dwc3_gadget_exit(struct dwc3 *dwc) { }
-static inline int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
-		unsigned cmd, struct dwc3_gadget_ep_cmd_params *params)
-{
-	return 0;
-}
-#endif
 
 void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
 		int status);

drivers/usb/gadget/Kconfig

@@ -318,18 +318,6 @@ config USB_PXA_U2O
 	  PXA9xx Processor series include a high speed USB2.0 device
 	  controller, which support high speed and full speed USB peripheral.
 
-config USB_GADGET_DWC3
-	tristate "DesignWare USB3.0 (DRD) Controller"
-	depends on USB_DWC3
-	select USB_GADGET_DUALSPEED
-	select USB_GADGET_SUPERSPEED
-	help
-	  DesignWare USB3.0 controller is a SuperSpeed USB3.0 Controller
-	  which can be configured for peripheral-only, host-only, hub-only
-	  and Dual-Role operation. This Controller was first integrated into
-	  the OMAP5 series of processors. More information about the OMAP5
-	  version of this controller, refer to http://www.ti.com/omap5.
-
 #
 # Controllers available in both integrated and discrete versions
 #