ANDROID: GKI: Update lenovo symbol list

9 function symbol(s) added
  'void serial8250_clear_and_reinit_fifos(struct uart_8250_port*)'
  'void serial8250_do_set_divisor(struct uart_port*, unsigned int, unsigned int, unsigned int)'
  'void serial8250_do_set_ldisc(struct uart_port*, struct ktermios*)'
  'int serial8250_em485_config(struct uart_port*, struct ktermios*, struct serial_rs485*)'
  'void serial8250_em485_start_tx(struct uart_8250_port*)'
  'void serial8250_em485_stop_tx(struct uart_8250_port*)'
  'int serial8250_handle_irq(struct uart_port*, unsigned int)'
  'void serial8250_update_uartclk(struct uart_port*, unsigned int)'
  'int uart_read_port_properties(struct uart_port*)'

1 variable symbol(s) added
  'struct serial_rs485 serial8250_em485_supported'

Bug: 397733295
Change-Id: I1e521c498f0f3662b0d4966061ff87e81ff21b0f
Signed-off-by: liuyb20 <liuyb20@lenovo.com>