soundwire: mipi_disco: read lane mapping properties from ACPI

The DisCo for SoundWire 2.0 added support for the
'mipi-sdw-lane-<n>-mapping' property.

Co-developed-by: Chao Song <chao.song@linux.intel.com>
Signed-off-by: Chao Song <chao.song@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20241218080155.102405-3-yung-chuan.liao@linux.intel.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>