dtc: import latest upstream dtc

[Stephen Warren]

On 10/01/2012 10:09 AM, Rob Herring wrote:
> On 09/28/2012 04:25 PM, Stephen Warren wrote:
>> From: Stephen Warren <swarren at nvidia.com>
>>
>> This updates scripts/dtc to commit 317a5d9 "dtc: zero out new label
>> objects" from git://git.jdl.com/software/dtc.git.
>>
>> This adds features such as:
>> * /bits/ syntax for cell data.
>> * Math expressions within cell data.
>> * The ability to delete properties or nodes.
>> * Support for #line directives in the input file, which allows the use of
>>   cpp on *.dts.
>> * -i command-line option (/include/ path)
>> * -W/-E command-line options for error/warning control.
>> * Removal of spew to STDOUT containing the filename being compiled.
>> * Many additions to the libfdt API.
>>
>> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> 
> Seems dtc doesn't really have a maintainer. Probably makes more sense
> for me to take this unless there are objections.

Will you also take the two kbuild patches I posted that depend on this
(e.g. "kbuild: introduce cmd_dtc_cpp")? I'd assumed that Michal Marek
would take this given the dependencies and that he's take a fair number
of dtc patches recently.