UPSTREAM: usb: dwc3: Use the correct speed macros for DSTS/DCFG

UPSTREAM: usb: dwc3: Use the correct speed macros for DSTS/DCFG

Correct the use of the DWC3_DSTS_XXX_SPEED and DWC3_DCFG_XXX_SPEED
macros. The wrong set of macros were being used in a few places.

This is only a cosmetic change as the values for both sets are
identical.

Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
(cherry picked from commit 2da9ad761e70c6a22e3a84f9a3e67faeef122a58)

Conflicts:
	drivers/usb/dwc3/gadget.c

Change-Id: I39aed8e30e6f150c2e4d5350caac7b3936ba784d