DeviceSettings: Add supporting commits back

Revert "smdk4412: max77693_haptic: move sysfs node"

This reverts commit ca322a3f77e20f3988dbaec53f2d209929c8ab74.

Revert "cypress: report led status via sysfs"

This reverts commit b07657a606584eb7328c10d6f57fbb0f0db6d070.

Revert "cypress-touchkey: remove backlight timeout feature"

This reverts commit a64df5bd240324b9551cffbf9171888ccaa3fdeb.

Change-Id: I760b1b93ababa291fac7aa443387a7a489c84f5b