ASoC: simple-card: multi DAI links extension

This patch series extends the simple card driver to handle many DAI links as this exists in the Cubox audio subsystem.

** this is a partial patch **

Jyri, is this OK as a base for you?

- partial patch
- remove 'simple-card: Simplify code'
which is applied (Mark Brown)
- add a DAI link container in the DT

- v3
- remove 'Fix the reference count of device nodes'
which is applied (Mark Brown)
- new patch 'Simplify code'
- dynamically allocate and use properties for all DAI links (Jyri Sarha and Li Xiubo)
- v2
- change subject/comment about device node reference count (Mark Brown)
- use a null size array instead of an implicit area for the DAI links (Li Xiubo)
- update the reference count of the device node at end of probe

Jean-Francois Moine (3):
ASoC: simple-card: dynamically allocate the DAI link and properties
ASoC: simple-card: Add DT documentation for multi-DAI links
ASoC: simple-card: Handle many DAI links

 .../devicetree/bindings/sound/simple-card.txt      |  42 +++-
 sound/soc/generic/simple-card.c                    | 220 +++++++++++++--------
 2 files changed, 183 insertions(+), 79 deletions(-)

1.9.1