target: cleanup some boolean tests

Convert "x == true" to "x" and "x == false" to "!x".

Signed-off-by: Christophe Vu-Brugier <cvubrugier@yahoo.fr>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --cc drivers/target/iscsi/iscsi_target.c
Simple merge

diff --cc drivers/target/iscsi/iscsi_target_login.c
Simple merge

diff --cc drivers/target/iscsi/iscsi_target_nego.c
Simple merge

diff --cc drivers/target/iscsi/iscsi_target_parameters.c
Simple merge

diff --cc drivers/target/iscsi/iscsi_target_tpg.c
Simple merge

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

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