ANDROID: GKI: rockchip: Enable symbols for phy

Functions changes summary: 0 Removed, 0 Changed, 4 Added functions
Variables changes summary: 0 Removed, 0 Changed, 0 Added variable

4 Added functions:

  [A] 'function int extcon_set_state(extcon_dev*, unsigned int, bool)'
  [A] 'function int extcon_sync(extcon_dev*, unsigned int)'
  [A] 'function usb_dr_mode of_usb_get_dr_mode_by_phy(device_node*, int)'
  [A] 'function int phy_mipi_dphy_config_validate(phy_configure_opts_mipi_dphy*)'

Bug: 194515348
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ifb68fb8726d7d179a212853abd0be6f5460358ef