hal: read HDMI sink capability for dynamic output profile

- update read_hdmi_sink_caps to support dynamic sample
  rate, channel, and format based on HDMI EDID information

Change-Id: I69b3f19cb1d81c3e51695adae4f2379cbb439dc8
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index e32a73d..9bcd388 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -1152,6 +1152,12 @@
     return  false;
 }
 
+bool platform_is_edid_supported_sample_rate(void *platform __unused,
+                                    int sample_rate __unused)
+{
+    return false;
+}
+
 void platform_cache_edid(void * platform __unused)
 {