cgpt: Add support for NVMe

find: A p is added betwen device name and partition whenever the last
character of a device is a number, as written in disk_name() in kernel
block/partition-generic.c file.

debug_vboot: Add regex for nvme device.

BUG=chromium:655192
BRANCH=none
TEST=Check that when a machine boots from NVMe, chromeos-setgoodkernel
set "successful" field properly.
Run " dev_debug_vboot --cleanup", check the NVMe device kernel
partitions are verified.

Change-Id: I6a9342c95500fa582f51f06e48c1ff90684c2a27
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/398338
Reviewed-by: Mike Frysinger <vapier@chromium.org>
2 files changed