target: Pass 2nd param of transport_split_cdb by value

Since sectors is not modified, it's more straightforward to do this.

Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --cc drivers/target/target_core_scdb.c
Simple merge

diff --cc drivers/target/target_core_scdb.h
Simple merge

diff --cc drivers/target/target_core_transport.c
Simple merge

diff --cc include/target/target_core_base.h
Simple merge