Merge changes Idea8d5b2,I687a43cd,I0da046cb

* changes:
  sencha: refactor cheriot-testbench and add cheriot-examples
  sencha: add sim_cheriot_renode to run standalone cheriot firmware
  sencha: pass $kernel to enable loading symbols
diff --git a/platforms/nexus/sim.mk b/platforms/nexus/sim.mk
index 371653c..c493c47 100644
--- a/platforms/nexus/sim.mk
+++ b/platforms/nexus/sim.mk
@@ -170,8 +170,10 @@
 
 ext_flash_model_benchmarks: | $(OUT_BENCHMARKS)
 	cd ml/ml-models && \
-	bazel build $$(bazel query //benchmarks/... | grep -E "benchmark_device_fpga$$")
-	find ml/ml-models/bazel-bin/benchmarks/ \
+	bazel query "//benchmarks/..." + "@ml_models_public//benchmarks/..." | \
+		grep -E "benchmark_device_fpga$$" | \
+		xargs bazel build
+	find ml/ml-models/bazel-bin/ \
 		-type f \
 		-name '*_extflash.tar' \
 		-exec cp -f {} "$(OUT_BENCHMARKS)/" \;