serial: 8250_dw: unregister 8250 port if clk_notifier_register() fails

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CVE-2023-53719 serial: arc_uart: fix of_iomap leak in `arc_serial_probe`

In the Linux kernel, the following vulnerability has been resolved: serial: arcuart: fix ofiomap leak in arcserialprobe Smatch reports: drivers/tty/serial/arcuart.c:631 arcserialprobe warn: 'port-membase' from ofiomap not released on lines: 631. In arcserialprobe, if uartaddoneport fails,...