CHROMIUM: verity: use sg_set_buf instead of sg_set_page

This is in preparation for removing the assumption that the block
size = PAGE_SIZE.

BUG=9752
TEST=Ran tests in verity.git. Ran platform_DMVerityCorruption on H/W.

Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
kernel.git Review URL: http://codereview.chromium.org/6684008

TBRing. Already committed to kernel.git.

Change-Id: Ia80b9466d7710ab32e5026ce46d5a2078338aeff

R=wad@chromium.org,taysom@chromium.org,ups@chromium.org

Review URL: http://codereview.chromium.org/6721018
1 file changed