msm: camera: Add buffer manager driver.

This change adds a subdev for buffer management.

Change-Id: I94c9aaa0560497c9d15299f30d0b4887e244d986
Signed-off-by: Jignesh Mehta <jigneshm@codeaurora.org>
[smuckle@codeaurora.org: backported from msm-3.7]
Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
8 files changed