Clang static complains that Value stored to 'status' is never read. Return
'status' rather than 'SCI_SUCCESS'.

Fixes: f1f52e75 ("isci: uplevel request infrastructure")
Signed-off-by: Su Hui <suhui@nfschina.com>
Link: https://lore.kernel.org/r/20240112041926.3924315-1-suhui@nfschina.comReviewed-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>