qcacld-3.0: Fix uninitialized tsf_op_resp usage on error

The return value from hdd_capture_tsf() isn't checked, and when it
returns an error, it won't initialize tsf_op_resp. Fix it by checking
the return value, and exiting when there's an error.

Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com>
Signed-off-by: Jebaitedneko <Jebaitedneko@gmail.com>
Signed-off-by: Forenche <prahul2003@gmail.com>
Signed-off-by: improbir <ghosh_probir@yahoo.com>