ANDROID: GKI: Add snd-soc-xxx modules symbols for hikey

5 Added functions:
  # required by snd-soc-audio-graph-card.ko
  [A] 'function int of_graph_get_endpoint_count(const device_node*)'
  [A] 'function device_node* of_graph_get_port_parent(device_node*)'
  [A] 'function device_node* of_graph_get_remote_endpoint(const device_node*)'
  [A] 'function int snd_soc_get_dai_id(device_node*)'
  [A] 'function int snd_soc_get_dai_name(of_phandle_args*, const char**)'

Bug: 364687936
Change-Id: Iede807a3f96a0927003edf4eea1429a70104cd57
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>