USB: Gadget: MIPS CI13xxx UDC bugfixes

Bug Fix: high speed detection in LPM mode
Bug Fix: max packet size configuration when switching between HS and FS
Signed-off-by: NDavid Lopo <dlopo@chipidea.mips.com>
Acked-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/gadget/ci13xxx_udc.c

@@ -142,7 +142,7 @@ static struct {
 #define CAP_DEVICEADDR      (0x014UL)
 #define CAP_ENDPTLISTADDR   (0x018UL)
 #define CAP_PORTSC          (0x044UL)
-#define CAP_DEVLC           (0x0B4UL)
+#define CAP_DEVLC           (0x084UL)
 #define CAP_USBMODE         (hw_bank.lpm ? 0x0C8UL : 0x068UL)
 #define CAP_ENDPTSETUPSTAT  (hw_bank.lpm ? 0x0D8UL : 0x06CUL)
 #define CAP_ENDPTPRIME      (hw_bank.lpm ? 0x0DCUL : 0x070UL)
@@ -1986,6 +1986,8 @@ static int ep_enable(struct usb_ep *ep,
 	do {
 		dbg_event(_usb_addr(mEp), "ENABLE", 0);
 
+		mEp->qh[mEp->dir].ptr->cap = 0;
+
 		if (mEp->type == USB_ENDPOINT_XFER_CONTROL)
 			mEp->qh[mEp->dir].ptr->cap |=  QH_IOS;
 		else if (mEp->type == USB_ENDPOINT_XFER_ISOC)