dev: gcdb: display: add support for hx8399c fhd+ video mode panel

SDM450 pre_evt target supports fhd+  video mode panel which uses the
hx8399c DDIC. Add the gcdb header file for this panel.

Change-Id: Ib97025f42c2e80b69bd6ce5ff2cae214db0a00dc
Signed-off-by: Rashi Bindra <rbindra@codeaurora.org>
diff --git a/dev/gcdb/display/fastboot_oem_display.h b/dev/gcdb/display/fastboot_oem_display.h
index 4c749db..95c9147 100644
--- a/dev/gcdb/display/fastboot_oem_display.h
+++ b/dev/gcdb/display/fastboot_oem_display.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2013-2018, 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
@@ -111,6 +111,7 @@
 	{"sharp_120hz_1080p_cmd", "qcom,mdss_dual_sharp_1080p_120hz_cmd",
 		true},
 	{"mirrorlake1_hdplus_video", "qcom,mdss_dsi_icn9706_720_1440p_video", false},
+	{"hx8399c_truly_video", "qcom,mdss_dsi_hx8399c_truly_video", false},
 };
 
 struct sim_lookup_list lookup_sim[] = {