xhci: hsic: kick stop ep command watchdog upon xHC halt failure

When stop ep command times out due to controller halt failure
no point waiting till XHCI_STOP_EP_CMD_TIMEOUT to giveback urbs.
Kick stop ep command watchdog to finish endpoint related cleanup
as early as possible.

CRs-Fixed: 676195
Change-Id: Ibef1099ee62f18fecd93578961110ea5c29c3f79
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>