test_firmware: fix memory leak in test_firmware_init()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.16 by commit 8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247, it was introduced in version v4.14 by commit c92316bf8e94830a0225f2e904cbdbd173768419. For more details please see the references link.