lineage: Make a lineage_x86_64 target

* For addonsu.

Change-Id: Ic4c701cdfe1126870258182df631192e06527fe5

build/target/product/AndroidProducts.mk

@@ -17,4 +17,5 @@
 PRODUCT_MAKEFILES := \
     $(LOCAL_DIR)/lineage_arm.mk \
     $(LOCAL_DIR)/lineage_arm64.mk \
-    $(LOCAL_DIR)/lineage_x86.mk
+    $(LOCAL_DIR)/lineage_x86.mk \
+    $(LOCAL_DIR)/lineage_x86_64.mk

build/target/product/lineage_x86_64.mk

@@ -0,0 +1,21 @@
+# Copyright (C) 2018 The LineageOS Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+$(call inherit-product, build/target/product/aosp_x86_64.mk)
+$(call inherit-product, vendor/lineage/config/common.mk)
+
+# Allow building otatools
+TARGET_FORCE_OTA_PACKAGE := true
+
+PRODUCT_NAME := lineage_x86_64