DAPS: Add intrin specs to nontrin specs

We no longer do intrin specs as a separate stimbuff; rather now we
do them as a specifier segment within the pipeline spec of a normal
nontrin spec.

include/user/intrin.h

@@ -0,0 +1,24 @@
+#ifndef SMO_USER_INTRIN_H
+#define SMO_USER_INTRIN_H
+
+#include <cstdint>
+
+namespace smo {
+namespace intrin {
+
+/* Generic intrin threshold pair. 'percentage' holds the raw percentage value
+ * (0-100) when the user specified the threshold in percentage form, else 0.
+ * 'threshold' is always the resolved absolute count (computed against the
+ * relevant capacity parameter, e.g. nDgramsPerFrame, when the input was
+ * percentage-based).
+ */
+struct IntrinConfig
+{
+    uint32_t percentage;
+    uint32_t threshold;
+};
+
+} // namespace intrin
+} // namespace smo
+
+#endif // SMO_USER_INTRIN_H