topology: Add C templates structure for building topology from C programs

topology: Add C templates structure for building topology from C programs

Define structures that can be used by applications to directly build topology
data instead of using text files. The application will build up the topology
data by populating the template structures for each object type and then
registering the template with the topology core.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>