usb: xhci-mtk: add some schedule error number

usb: xhci-mtk: add some schedule error number

[ Upstream commit 91b4d6d702cb2719c74a4f3552b55f1dc7dd5df3 ]

This is used to provide more information about which case
causes bandwidth schedule failure.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/9771f44093053b581e9c4be4b7fb68d9fcecad08.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: f31998fd0f1b ("usb: xhci-mtk: relax TT periodic bandwidth allocation")
Signed-off-by: Sasha Levin <sashal@kernel.org>