tacoma: Build a wic image

Build a wic image with the zImage and device tree in the
/boot partition. Rename the device tree to aspeed-bmc.dtb
so that it's generic instead of having the machine name in
the file.

Change-Id: I7ed561dc1122c3830b0ab9946a48f12a65e4ce34
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
1 file changed