These two patches add and use dtc as a submodule as per the RFC: http://lists.gnu.org/archive/html/qemu-devel/2013-01/msg05000.html
There is a remaining action item to mandate libfdt for arm/microblaze and PPC which is left as follow up work for after review of this series. Peter Crosthwaite (2): dtc: add submodule configure/Make: Build libfdt from submodule DTC .gitmodules | 3 +++ Makefile | 10 ++++++++++ configure | 29 +++++++++++++++++++++++++---- dtc | 1 + 4 files changed, 39 insertions(+), 4 deletions(-) create mode 160000 dtc