target: Add support for HDMI clocks and regulators

Add support to enable/disable HDMI clocks and regulators.

Change-Id: I826f417efcbe292e508e0cd58a97cc3b85b2695b
diff --git a/target/target_display.c b/target/target_display.c
index bac8a52..5a27200 100644
--- a/target/target_display.c
+++ b/target/target_display.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -87,3 +87,17 @@
 {
 	return 0;
 }
+
+__WEAK int target_hdmi_panel_clock(uint8_t enable, struct msm_panel_info *pinfo)
+{
+	return 0;
+}
+
+__WEAK int target_hdmi_regulator_ctrl(bool enable)
+{
+	return 0;
+}
+__WEAK int mdss_hdmi_init(void)
+{
+	return 0;
+}