Add dm-verity to the kernel.

Grabbed patch from bruno tree and massaged for the mindspeed tree.
Original commit message:

	Author: Ke Dong <kedong@google.com>
	Date:   Thu May 3 19:57:01 2012 -0700

	    Add dm-verity to kernel.

	    From 2011/11 patch submitted to redhat dm-devel group.

Change-Id: I39bace54a62d4d81057c3548a0168d9d43842911
9 files changed