soundwire: clarify comment

The MIPI DisCo spec refers to dynamic frame shape, not to dynamic
shape. Clarify.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

include/linux/soundwire/sdw.h

@@ -373,7 +373,7 @@ struct sdw_slave_prop {
  * @default_frame_rate: Controller default Frame rate, in Hz
  * @default_row: Number of rows
  * @default_col: Number of columns
- * @dynamic_frame: Dynamic frame supported
+ * @dynamic_frame: Dynamic frame shape supported
  * @err_threshold: Number of times that software may retry sending a single
  * command
  */