usb: gadget: tcm: driver sync with upstream driver

commit c36a7d06a8a81b376dfa5c7e7a5b91babdfcd987 from
https://github.com/Xilinx/linux-xlnx.git

 xlnx_rebase_v6.1

To synchronize the TCM usb gadget with the upstream driver, reverted
TCM usb gadget fixes, from the xilinx-tree.

Signed-off-by: Piyush Mehta <piyush.mehta@amd.com>
[piyushm squashed with:
commit 99fb3a6ca566 ("usb: gadget: tcm: error handling for each command allocation")
commit f7d20c91aaa9 ("usb: function: f_tcm: Add support for getting alt interface number")
commit fe11f8ec8666 ("usb: function: f_tcm: Add support for getting alt interface number")
commit 7307262286d4 ("usb: gadget: f_tcm: add TARGET_SCF_ACK_KREF flag in BOT")
commit d578a23a5be4 ("usb: gadget: f_tcm: queue multiple commands request")
commit 29cfcf015efb ("usb: gadget: f_tcm: comp_descriptor workaround during SS gadget")
commit e34df6ff3685 ("usb: gadget: f_tcm: adjust write length with max packet size")]

State: not-upstreamable
Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com>