tty: serial: Fix refcount leak bug in ucc_uart.c
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 v4.9.326 by commit 8245e7d1d7f75a9255ad1e8146752e5051d528b8. For more details please see the references link.