fs_mgr: support upstream dm-verity without error correction

Set up dm-verity even if kernel configuration doesn't have
CONFIG_DM_VERITY_FEC set. Fall back to the always safe EIO
mode if dm-verity doesn't support feature arguments.

Bug: 21893453
Change-Id: I4812bd74801c0abc8da479230f48b752858f9cd8
1 file changed