UPSTREAM: usb: dwc3: gadget: fix mask and shift order in DWC3_DCFG_NUMP()

UPSTREAM: usb: dwc3: gadget: fix mask and shift order in DWC3_DCFG_NUMP()

In the original DWC3_DCFG_NUMP() was always zero.  It looks like the
intent was to shift first and then do the mask.

Change-Id: I290fe7bb82bbf7adf626fcb5ee2474fce60167bd
Fixes: 2a58f9c12bb3 ('usb: dwc3: gadget: disable automatic calculation of ACK TP NUMP')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit 973986126a4152ab83d09263a02bf7d2d1bf3b6e)