ANDROID: GKI: rockchip: Enable symbols for mmc driver

Functions changes summary: 0 Removed, 0 Changed, 5 Added functions
Variables changes summary: 0 Removed, 0 Changed, 0 Added variable

5 Added functions:

  [A] 'function int clk_get_phase(clk*)'
  [A] 'function int clk_set_phase(clk*, int)'
  [A] 'function void sdhci_adma_write_desc(sdhci_host*, void**, dma_addr_t, int, unsigned int)'
  [A] 'function unsigned int sdhci_pltfm_clk_get_max_clock(sdhci_host*)'
  [A] 'function void sdhci_set_clock(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: I2eaf765788b782d397a9291d2351f033a9e5c05f