topology2: Add class definition for muxdemux

Add the class definition for the MUX/DEMUX process type widget.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>

tools/topology/topology2/include/components/muxdemux.conf

@@ -0,0 +1,79 @@
+#
+# A generic MUX/DEMUX component. All attributes defined herein are namespaced
+# by alsatplg to "Object.Widget.muxdemux.attribute_name"
+#
+# Usage: this component can be used by declaring in the parent object. i.e.
+#
+# Object.Widget {
+# 	muxdemux."N" {
+#		index			3
+#		period_sink_count	2
+#		period_source_count	2
+#		format			"s24le"
+#	}
+# }
+
+#
+# Where N is a unique integer in the parent object.
+
+Class.Widget."muxdemux" {
+	#
+	# Argument used to construct component: pipeline ID
+	#
+	DefineAttribute."index" {}
+
+	#
+	# Unique instance ID for muxdemux widget in the same alsaconf node
+	#
+	DefineAttribute."instance" {}
+
+
+	#include common widget attribute definitions
+	<include/components/widget-common.conf>
+
+	DefineAttribute.uuid {
+		type	"string"
+		# Token set reference name and type
+		token_ref	"sof_tkn_comp.uuid"
+	}
+
+	#
+	# Process type for muxdemux widget
+	#
+	DefineAttribute.process_type {
+		type	"string"
+		# Token set reference name and type
+		token_ref	"sof_tkn_process.string"
+	}
+
+	# attribute categories
+	attributes {
+		!constructor [
+			"index"
+			"instance"
+		]
+		!mandatory [
+			"format"
+		]
+		!immutable [
+			"uuid"
+			"type"
+			"process_type"
+		]
+		!deprecated [
+			"preload_count"
+		]
+		unique	"instance"
+	}
+
+	#
+	# Default attribute values for muxdemux widget
+	#
+	uuid 		"68:68:b2:c4:30:14:0e:47:a0:89:15:d1:c7:7f:85:1a"
+	period_source_count	2
+	period_sink_count	2
+	process_type	"DEMUX"
+	widget_type	"effect"
+	no_pm		"true"
+	core_id	0
+}