added (untested) tristate driver for OMAP3 McBSPs
so that it becomes possible to connect several DX lines

signed off: hns@computer.org
switch McBSP1 FSR and CLKR for 5 wire mode

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
removed note that it is a blueprint

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
enabled compilation of Si47xx and gta04-fm drivers

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
created Si47xx PCM only driver (ignores I2C so far which must be done from userspace)
but we should integrate it in the long run to enable suspend/resume

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
fixed initialization of the McBSP1 DAI where the Si47xx is connected to on our GTA04 board

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Merge branch 'fm-soc' into hw-validation