sdm: Define the display config 1.5 for support ad roi feature

The change defines DISPLAY_CONFIG_1_5 for support ad roi feature.

Change-Id: Ifae57ddf21c840b6c94856288b017adb9bc2f390
diff --git a/common.mk b/common.mk
index bb0e83e..82d247f 100644
--- a/common.mk
+++ b/common.mk
@@ -12,6 +12,9 @@
 display_config_version := $(shell \
     if [ -d "$(TOP)/vendor/qcom/opensource/interfaces/display/config/1.4" ];\
     then echo DISPLAY_CONFIG_1_4; fi)
+display_config_version := $(shell \
+    if [ -d "$(TOP)/vendor/qcom/opensource/interfaces/display/config/1.5" ];\
+    then echo DISPLAY_CONFIG_1_5; fi)
 #Common C flags
 common_flags := -Wno-missing-field-initializers
 common_flags += -Wconversion -Wall -Werror -std=c++14
@@ -34,6 +37,10 @@
     common_flags += -DDISPLAY_CONFIG_1_1 -DDISPLAY_CONFIG_1_2
     common_flags += -DDISPLAY_CONFIG_1_3 -DDISPLAY_CONFIG_1_4
 endif
+ifeq ($(display_config_version), DISPLAY_CONFIG_1_5)
+    common_flags += -DDISPLAY_CONFIG_1_1 -DDISPLAY_CONFIG_1_2 -DDISPLAY_CONFIG_1_3
+    common_flags += -DDISPLAY_CONFIG_1_4 -DDISPLAY_CONFIG_1_5
+endif
 
 ifeq ($(TARGET_USES_COLOR_METADATA), true)
     common_flags += -DUSE_COLOR_METADATA