Add Qemu ARM virtual platform to build

Minimal OHOS configuration and skeleton
for Qemu ARM virtual platform.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: If1a83d51e488b76173d475b30b6bc4e13dbe1c74

build.py

@@ -26,7 +26,8 @@ import os
 def usage():
     msg = "\n  python build.py ipcamera_hi3516dv300\n  "\
           "python build.py ipcamera_hi3518ev300\n  "\
-          "python build.py wifiiot\n"\
+          "python build.py wifiiot\n  "\
+          "python build.py qemu_arm_virt_ca7\n"\
           "\n  Quickstart: https://device.harmonyos.com/cn/docs/start/"\
           "introduce/oem_start_guide-0000001054913231\n"
     return msg

config/boards/qemu_arm_virt_ca7.gni

+# Copyright (c) 2020 Huawei Device Co., Ltd.
+# 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.
+
+board_arch = "armv7-a"
+board_cpu = "cortex-a7"

product/qemu_arm_virt_ca7.json

+{
+  "ohos_version": "OpenHarmony 1.0",
+  "board": "qemu_arm_virt_ca7",
+  "kernel": "liteos_a",
+  "compiler": "clang",
+  "subsystem": [
+    {
+      "name": "applications",
+      "component": [
+      ]
+    },
+    {
+      "name": "startup",
+      "component": [
+      ]
+    },
+    {
+      "name": "kernel",
+      "component": [
+        { "name": "liteos_a", "dir": "//kernel/liteos_a:kernel", "features":[] }
+      ]
+    },
+    {
+      "name": "hdf",
+      "component": [
+	{ "name": "posix", "dir": "//drivers/hdf/lite/posix:hdf_posix", "features":[] },
+	{ "name": "manager", "dir": "//drivers/hdf/lite/manager:hdf_manager", "features":[] }
+      ]
+    },
+    {
+      "name": "vendor",
+      "component": [
+        { "name": "qemu_virt_init", "dir": "//vendor/qemu/arm/arm_init/virt:virt_make_kernel", "features":[] }
+      ]
+    }
+  ],
+  "vendor_adapter_dir": "",
+  "third_party_dir": "//third_party",
+  "ohos_product_type":"",
+  "ohos_manufacture":"",
+  "ohos_brand":"",
+  "ohos_market_name":"",
+  "ohos_product_series":"",
+  "ohos_product_model":"",
+  "ohos_software_model":"",
+  "ohos_hardware_model":"",
+  "ohos_hardware_profile":"",
+  "ohos_serial":"",
+  "ohos_bootloader_version":"",
+  "ohos_secure_patch_level":"",
+  "ohos_abi_list":""
+}