ASoC: sirf: drop owner assignment from platform_drivers

A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --cc sound/soc/sirf/sirf-audio-port.c
Simple merge

diff --cc sound/soc/sirf/sirf-audio.c
Simple merge

diff --cc sound/soc/sirf/sirf-usp.c
Simple merge