sw/vec_iree: Enable Kelvin CI tests

Add support to enable Kelvin CI tests

Change-Id: If678db4a836949b64977e308f76c5dfd6998f8be

samples/lit.cfg.py

diff --git a/samples/lit.cfg.py b/samples/lit.cfg.py
index a0bd656..d94a4d0 100644
--- a/samples/lit.cfg.py
+++ b/samples/lit.cfg.py
@@ -34,6 +34,8 @@
 config.environment["ROOTDIR"] = os.getenv("ROOTDIR")
 config.environment["OUT"] = config.environment["ROOTDIR"] + "/out"
 
+kelvin_cmd = (
+    f"{config.environment['ROOTDIR']}/sw/kelvin/build_tools/test_runner.sh ")
 qemu_cmd = (f"{config.environment['ROOTDIR']}/sw/vec/scripts/test_runner.py "
             "qemu --qemu-path "
             f"{config.environment['OUT']}/host/qemu/qemu-system-riscv32")
@@ -52,7 +54,10 @@
 
 runner = lit_config.params.get("RUNNER")
 
-if runner and runner == "qemu":
+if runner and runner == "kelvin":
+    config.environment["TEST_RUNNER_CMD"] = kelvin_cmd
+    config.available_features.add("kelvin")
+elif runner and runner == "qemu":
     config.environment["TEST_RUNNER_CMD"] = qemu_cmd
     config.available_features.add("qemu")
 else: