Import firmware from armbian/build

xr819/device-xradio.mk

+#
+# Copyright (C) 2008 The Android Open Source 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.
+#
+
+########################
+
+PRODUCT_COPY_FILES += \
+    hardware/broadcom/wlan/bcmdhd/firmware/xr819/boot_xr819.bin:system/etc/firmware/boot_xr819.bin \
+    hardware/broadcom/wlan/bcmdhd/firmware/xr819/fw_xr819.bin:system/etc/firmware/fw_xr819.bin \
+    hardware/broadcom/wlan/bcmdhd/firmware/xr819/sdd_xr819.bin:system/etc/firmware/sdd_xr819.bin
+########################