usb: xhci-mtk: get the microframe boundary for ESIT

usb: xhci-mtk: get the microframe boundary for ESIT

[ Upstream commit b6dc7cc511ad68033e8b9136e8bdf76fafe0c3cb ]

Tune the boundary for FS/LS ESIT due to CS:
For ISOC out-ep, the controller starts transfer data after
the first SS; for others, the data is already transferred
before the last CS.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/49e5a269a47984f3126a70c3fb471b0c2874b8c2.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 3bf67bbfc070 ("usb: xhci-mtk: relax TT periodic bandwidth allocation")
Signed-off-by: Sasha Levin <sashal@kernel.org>