[dtc] Allow multipart property values

[Kumar Gala]

On Feb 6, 2007, at 9:23 PM, David Gibson wrote:

> At present each property definition in a dts file must give as the
> value either a string ("abc..."), a bytestring ([12abcd...]) or a cell
> list (<1 2 3 ...>).  This patch allows a property value to be given as
> several of these, comma-separated.  The final property value is just
> the components appended together.  So a property could have a list of
> cells followed by a string, or a bytestring followed by some cells.
> Cells are always aligned, so if cells are given following a string or
> bytestring which is not a multiple of 4 bytes long, zero bytes are
> inserted to align the following cells.
>
> The primary motivation for this feature, however, is to allow defining
> a property as a list of several strings.  This is what's needed for
> defining OF 'compatible' properties, and is less ugly and fiddly than
> using embedded \0s in the strings.
>
> Signed-off-by: David Gibson <dwg at au1.ibm.com>

Mind adding examples to the testsuite?

- k