dev: gcdb: Support display pre/post on/off API

Call target display pre/post on/off API for
target specific MDP/DSI register settings,
delay config, etc.

Change-Id: Ibe1618a1cbb500249f25f567e2346c29ab9f062f
diff --git a/dev/gcdb/display/panel_display.h b/dev/gcdb/display/panel_display.h
index 1f08326..d805715 100755
--- a/dev/gcdb/display/panel_display.h
+++ b/dev/gcdb/display/panel_display.h
@@ -67,8 +67,10 @@
 int dsi_panel_init(struct msm_panel_info *pinfo,
 		struct panel_struct *pstruct);
 
-int dsi_panel_on();
-int dsi_panel_off();
+int dsi_panel_pre_on();
+int dsi_panel_post_on();
+int dsi_panel_pre_off();
+int dsi_panel_post_off();
 int dsi_panel_rotation();
 int dsi_panel_config(void *);