display: removed the code exhausts file descriptor in mdp overlay and rotator.

Fix the problem crashed while playing video clips and VT camera test.
ion_share_dma_buf is called in pr_debug.
So, it is called depends on build option and makes crash problem.

Change-Id: Ia96fdb7838eb2f3cdf979d8e0f886cb64eba6ca8
msm: camera: add ion dev fd field to frame structure.

The ion dev fd field is required to represent the client
that allocated the buffer represented by the frame.

Change-Id: I8de791158251069275becc9f6413382fc6738492
Signed-off-by: Ankit Premrajka <ankitp@codeaurora.org>
msm: camera: Add media device node

Add media device node for each camera sensor
Sensor and video node info will be used
for device discovery from userspace

Change-Id: Id8c2f3e952c83259bb6b273cb6b3f04ed93d0ef3
Signed-off-by: Kevin Chan <ktchan@codeaurora.org>