makefile: add config support for display techpack for holi

Add required changes to makefile and enable the config
keys for holi target compilation.

Change-Id: I4b48e79c8b26c45f2f54fc1ac02a6e322bda07b9
Signed-off-by: Krishna Manikandan <mkrishn@codeaurora.org>

config/gki_holidispconf.h

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#define CONFIG_DRM_MSM 1
+#define CONFIG_DRM_MSM_SDE 1
+#define CONFIG_SYNC_FILE 1
+#define CONFIG_DRM_MSM_DSI 1
+#define CONFIG_DSI_PARSER 1
+#define CONFIG_DRM_MSM_REGISTER_LOGGING 1
+#define CONFIG_DRM_SDE_EVTLOG_DEBUG 1
+#define CONFIG_QCOM_MDSS_PLL 1
+#define CONFIG_GKI_DISPLAY 1