y is not a correct value

(cherry picked from commit f78e079c809536f25fc4db6d2b7cb25f823c4462)
update klte kernel defconfigs

* introduce a more logical structure that is easier to manage in the future
* config msm camera instead of msmb camera

(cherry picked from commit 7f0aae262b0438d2066bf689c743ebdab3ca5d8d)
add CONFIG_MSM_CAMERA_SENSOR=y

(cherry picked from commit db0affd62931f236fcf198698b69d971a4ddef78)
Update msm8974_sec_defconfig

revert back to msmb camera
(cherry picked from commit a3810d36460f7c97e0048fca22775178f37f4325)
revert back to stock camera configs

(cherry picked from commit bd2fd46c1633fca179c0c5a71314bd1ed8572f5e)
remove duplicates, already available in selinux_defconfig

(cherry picked from commit dd618e44e53c67cb08961462ed7f8b73afedba38)