Add SPDX license headers to USBHost/run.sh

Updates shell script under the USBHost/ directory to include proper SPDX
license identifiers and copyright:

  SPDX-License-Identifier: BSD-3-Clause-Clear

This change supports automation tools like repolinter and align with open
source best practices.

Signed-off-by: Aanchal Chaurasia <[email protected]>

Author: achauras-qcom

Runner/suites/Kernel/FunctionalArea/baseport/USBHost/run.sh

@@ -1,3 +1,6 @@
+# Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+
 #!/bin/sh
 # Import test suite definitions
 $(pwd)/init_env