xhci-hcd: support soft retry on SS transfer error

xhci-hcd: support soft retry on SS transfer error

Handle the case where Stop EP Command is issued during
soft retry.

Bug 200217649
Bug 200235489
Bug 200326615

Change-Id: I785696833e5ce36a846efec8a4240e2b5d4c20aa
Signed-off-by: TW Chiu <twchiu@nvidia.com>
Signed-off-by: Hans Yang <hansy@nvidia.com>
(cherry picked from commit 71c69da3dfaeb9911c144af410a14253538d0d7f)
Reviewed-on: https://git-master.nvidia.com/r/1517708
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: ChihMin Cheng <ccheng@nvidia.com>
Reviewed-by: WK Tsai <wtsai@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>