sw:vec_iree: Fix renode path in lit test

Retire renode.sh and use renode binary directly.

Change-Id: Iaf52ebc60c8c21f91d89e43bba0d9e17b221562b

samples/lit.cfg.py

diff --git a/samples/lit.cfg.py b/samples/lit.cfg.py
index fb3d112..32dde48 100644
--- a/samples/lit.cfg.py
+++ b/samples/lit.cfg.py
@@ -24,7 +24,7 @@
     % (config.environment["ROOTDIR"], config.environment["OUT"]))
 renode_cmd = (
     "%s/sw/vec/scripts/test_runner.py"
-    " renode --renode-path %s/host/renode/renode.sh"
+    " renode --renode-path %s/host/renode/renode"
     % (config.environment["ROOTDIR"], config.environment["OUT"]))
 
 config.test_exec_root = config.environment["OUT"] + "/springbok_iree/tests"