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 v5.10.138 by commit 81939c4fbc2d5c754d0f1c1f05149d4b70d751ed. For more details please see the references link.