soundwire: cadence: clear MCP BLOCK_WAKEUP in init

Follow recommended programming flows.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

drivers/soundwire/cadence_master.c

@@ -1412,6 +1412,10 @@ int sdw_cdns_init(struct sdw_cdns *cdns)
 		/* Set Multi-master mode to take gsync into account */
 		val |= CDNS_IP_MCP_CONFIG_MMASTER;
 
+	cdns_ip_updatel(cdns, CDNS_IP_MCP_CONTROL,
+			CDNS_IP_MCP_CONTROL_BLOCK_WAKEUP,
+			0);
+
 	/* leave frame delay to hardware default of 0x1F */
 
 	/* leave command retry to hardware default of 0 */