soundwire: reconcile dp0_prop and dpn_prop

The definitions for DP0 are missing a set of fields that are required
to reuse the same configuration code as DPn.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240408063822.421963-1-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

include/linux/soundwire/sdw.h

@@ -235,6 +235,7 @@ enum sdw_clk_stop_mode {
  * @BRA_flow_controlled: Slave implementation results in an OK_NotReady
  * response
  * @simple_ch_prep_sm: If channel prepare sequence is required
+ * @ch_prep_timeout: Port-specific timeout value, in milliseconds
  * @imp_def_interrupts: If set, each bit corresponds to support for
  * implementation-defined interrupts
  *
@@ -249,6 +250,7 @@ struct sdw_dp0_prop {
 	u32 *words;
 	bool BRA_flow_controlled;
 	bool simple_ch_prep_sm;
+	u32 ch_prep_timeout;
 	bool imp_def_interrupts;
 };