[platform/msm_shared]: Remove display shutdown implementation.

Enable splash screen display till the kernel driver takes control.
Add code to remove the display shutdown functionality.
Add new Macro to implement "Continuous Splash screen" feature.
Change the memory address used by framebuffer so that no
module uses this memory in kernel.

Enable this feature by default for toshiba wsvga panel on 8960.

Change-Id: I2d4663bf775e6d8413f050d2796a933d4f9bb445
3 files changed