scc_bus_softreset not necessarily should return zero.
Propagate the error code.
Signed-off-by: Arjun Sreedharan <arjun024@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org

(cherry picked from commit 4dc7c76c)
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>