get_req_from_tcs introduced in patch[1] returns tcs_request from
tcs_group. The size of tcs (of type - tcs_group) array in rsc_drv is
TCS_TYPE_NR. So the loop index needs to be iterated up to TCS_TYPE_NR only.

[1] https://patchwork.kernel.org/patch/10477547/Signed-off-by: NRaju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>