Revert "usb: dwc3: gadget: use Update Transfer from Xfer In Progress"

This reverts commit e6e709b7 ("usb:
dwc3: gadget: use Update Transfer from Xfer In Progress"). Issueing
update transfer command for on-demand transfers reslting into
transfer stall.

Change-Id: I5dd4818e07a3297dd9226169741d8753b2f57a2e
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>