zenfone8: replace deprecated sepolicy BOARD_PLAT_ by SYSTEM_EXT_

Change-Id: I7f2f465ed36af031898a20ce6de5ce05457bee11
diff --git a/BoardConfig.mk b/BoardConfig.mk
index fd9027d..e909aa5 100755
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -208,7 +208,7 @@
 # Sepolicy
 include vendor/omni/sepolicy/sepolicy.mk
 include $(DEVICE_PATH)/sepolicy/SEPolicy.mk
-BOARD_PLAT_PRIVATE_SEPOLICY_DIR += $(DEVICE_PATH)/sepolicy/private \
+SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS += $(DEVICE_PATH)/sepolicy/private \
                                    $(DEVICE_PATH)/sepolicy/qva/private
 
 PRODUCT_PRIVATE_SEPOLICY_DIRS += $(DEVICE_PATH)/sepolicy/product/private
diff --git a/sepolicy/SEPolicy.mk b/sepolicy/SEPolicy.mk
index 2839874..34de5f0 100644
--- a/sepolicy/SEPolicy.mk
+++ b/sepolicy/SEPolicy.mk
@@ -1,16 +1,16 @@
 # Board specific SELinux policy variable definitions
 SEPOLICY_PATH:= device/qcom/sepolicy
-BOARD_PLAT_PUBLIC_SEPOLICY_DIR := \
-    $(BOARD_PLAT_PUBLIC_SEPOLICY_DIR) \
+SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS  := \
+    $(SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS ) \
     $(SEPOLICY_PATH)/generic/public \
     $(SEPOLICY_PATH)/generic/public/attribute
 
-BOARD_PLAT_PRIVATE_SEPOLICY_DIR := \
-    $(BOARD_PLAT_PRIVATE_SEPOLICY_DIR) \
+SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS := \
+    $(SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS) \
     $(SEPOLICY_PATH)/generic/private
 
-BOARD_PLAT_PUBLIC_SEPOLICY_DIR := \
-    $(BOARD_PLAT_PUBLIC_SEPOLICY_DIR) \
+SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS  := \
+    $(SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS ) \
     $(SEPOLICY_PATH)/qva/public \
     $(SEPOLICY_PATH)/qva/public/attribute