MLK-25464 [8QM_MEK/8QXP_MEK] mxc: vpu_windsor: append end_of_seq instead of end_of_st...

MLK-25464 [8QM_MEK/8QXP_MEK] mxc: vpu_windsor: append end_of_seq instead of end_of_stream at end

Append end of sequence data instead of end of stream data at the end.
This is more appropriate since drvice doesn't know is current user
case is reset or actual end encode.
Besides, Amphion decoder will quit early during decoding if parse
end of stream data.

Signed-off-by: Shijie Qin <shijie.qin@nxp.com>
Reviewed-by: ming_qian <ming.qian@nxp.com>
(cherry picked from commit 9c9b3e52885e90d2ed2ceb925fe67e1c67161d31)