ANDROID: GKI: Add 8250_dw/adv7511/armmmci symbols for hikey

6 Added functions:
  # required by 8250_dw.ko
  [A] 'function void dw8250_setup_port(uart_port*)'
  [A] 'function void serial8250_clear_and_reinit_fifos(uart_8250_port*)'
  [A] 'function void serial8250_do_pm(uart_port*, unsigned int, unsigned int)'
  [A] 'function void serial8250_do_set_ldisc(uart_port*, ktermios*)'
  [A] 'function void serial8250_do_set_termios(uart_port*, ktermios*, ktermios*)'
  [A] 'function int serial8250_handle_irq(uart_port*, unsigned int)'

Bug: 364687936
Change-Id: I1802b341fbda05a26c3afd160dca7712534fd05c
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>