target: move phy configuration from gcdb to target

PHY configuration is target specific and can have
different register configuration based on target.
Move it to target module to allow target specific
configuration.

Change-Id: Id77d9877508822b088ae77b49187aa58472f57c3
diff --git a/target/target_display.c b/target/target_display.c
index 61756d3..6904825 100644
--- a/target/target_display.c
+++ b/target/target_display.c
@@ -78,6 +78,11 @@
 	return;
 }
 
+__WEAK int target_dsi_phy_config(struct mdss_dsi_phy_ctrl *phy_db)
+{
+	return 0;
+}
+
 __WEAK int target_edp_panel_clock(uint8_t enable, struct msm_panel_info *pinfo)
 {
 	return 0;
@@ -125,4 +130,4 @@
 __WEAK int target_display_dsi2hdmi_config(struct msm_panel_info *pinfo)
 {
 	return 0;
-}
\ No newline at end of file
+}