target: msm8909: Add support for splash for 8909

8909 has LDO mode only. Add corresponding DSI changes to
enable LDO mode. Also enable auto functional gating on
DSI CMD AXI fetch from DDR so that DSI command transfer
don't fail. Enable splash for 8909.

Change-Id: I0dffeccd7b080b48f866acd001feb5f5e2ee2994
diff --git a/target/msm8909/oem_panel.c b/target/msm8909/oem_panel.c
index b18c74a..046f90e 100644
--- a/target/msm8909/oem_panel.c
+++ b/target/msm8909/oem_panel.c
@@ -155,6 +155,7 @@
 	}
 	switch (hw_id) {
 	case HW_PLATFORM_SURF:
+	case HW_PLATFORM_MTP:
 		panel_id = HX8394D_720P_VIDEO_PANEL;
 		break;
 	default:
@@ -164,5 +165,6 @@
 	}
 
 panel_init:
+	phy_db->regulator_mode = DSI_PHY_REGULATOR_LDO_MODE;
 	return init_panel_data(panelstruct, pinfo, phy_db);
 }