ANDROID: GKI: rockchip: Enable symbols for sdhci-arasan

Functions changes summary: 0 Removed, 0 Changed, 3 Added functions
Variables changes summary: 0 Removed, 0 Changed, 0 Added variable

3 Added functions:

  [A] 'function int sdhci_pltfm_unregister(platform_device*)'
  [A] 'function void sdhci_set_power_and_bus_voltage(sdhci_host*, unsigned char, unsigned short int)'
  [A] 'function void sdhci_set_uhs_signaling(sdhci_host*, unsigned int)'

Bug: 194515348
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I1bdf263f03312a80e26e175106b9f244d4e4007a