topology: Add initial TLV library.

Add initial TLV library that can be included and re-used by pipelines.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>

topology/common/tlv.m4

@@ -0,0 +1,14 @@
+# TLV
+#
+# Common TLV control ranges
+#
+
+SectionTLV."vtlv_m90s3" {
+	Comment "-90dB step 3dB"
+
+	scale {
+		min "-9000"
+		step "300"
+		mute "1"
+	}
+}