AVR: Add support for FAIL/SAIL AVR

simple.c

@@ -0,0 +1,17 @@
+#include "lib.c"
+
+int array[] = {1, 1, 2, 3, 5, 8, 13, 21};
+int sum;
+
+MAIN() {
+    MARKER(start_trace);
+	sum = array[0] +  array[1];
+    MARKER(stop_trace);
+
+
+	if ((sum & 0x0f) != 2)
+		MARKER(fail_marker);
+    else
+        MARKER(ok_marker);
+}
+