ramips: add a explicit reset to dwc2

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 37352

target/linux/ramips/patches-3.10/0035-USB-dwc2.patch

@@ -1,12 +1,20 @@
 Index: linux-3.10.1/drivers/staging/dwc2/hcd.c
 ===================================================================
 --- linux-3.10.1.orig/drivers/staging/dwc2/hcd.c	2013-07-13 20:42:41.000000000 +0200
-+++ linux-3.10.1/drivers/staging/dwc2/hcd.c	2013-07-15 13:25:34.220821275 +0200
-@@ -2712,6 +2712,8 @@
++++ linux-3.10.1/drivers/staging/dwc2/hcd.c	2013-07-15 18:23:20.193246998 +0200
+@@ -47,6 +47,7 @@
+ #include <linux/io.h>
+ #include <linux/slab.h>
+ #include <linux/usb.h>
++#include <linux/reset.h>
+ 
+ #include <linux/usb/hcd.h>
+ #include <linux/usb/ch11.h>
+@@ -2712,6 +2713,8 @@
  
  	dev_dbg(hsotg->dev, "DWC OTG HCD INIT\n");
  
-+	writel(0, hsotg->regs + 0xe00);
++	device_reset(hsotg->dev);
 +
  	/*
  	 * Attempt to ensure this device is really a DWC_otg Controller.