X6833B: Switch to prebuilt libwifi-hal

* Reference: https://github.com/moto-common/android_device_mediatek_common/tree/master/vendor/wlan

* Perhaps it will help with the Wi-Fi scanning issues,
  and intermittent disconnections we're having. Besides,
  we can't legally use the OSS one anyway.

Change-Id: I9bbf289ad88a12bbdc68ab0abdee410678bf1420
Co-authored-by: electimon <electimon@gmail.com>
Signed-off-by: bengris32 <bengris32@protonmail.ch>
Signed-off-by: dodyirawan85 <40514988+dodyirawan85@users.noreply.github.com>

BoardConfig.mk

@@ -161,12 +161,9 @@ DEVICE_MANIFEST_FILE := $(CONFIGS_PATH)/vintf/manifest.xml
 DEVICE_MATRIX_FILE := $(CONFIGS_PATH)/vintf/compatibility_matrix.xml
 
 # Wi-Fi
-BOARD_WLAN_DEVICE := MediaTek
 WPA_SUPPLICANT_VERSION := VER_0_8_X
 BOARD_WPA_SUPPLICANT_DRIVER := NL80211
-BOARD_WPA_SUPPLICANT_PRIVATE_LIB := lib_driver_cmd_mt66xx
 BOARD_HOSTAPD_DRIVER := NL80211
-BOARD_HOSTAPD_PRIVATE_LIB := lib_driver_cmd_mt66xx
 WIFI_DRIVER_FW_PATH_PARAM := /dev/wmtWifi
 WIFI_DRIVER_FW_PATH_STA := STA
 WIFI_DRIVER_FW_PATH_AP := AP

configs/wifi/vendor_hals/vendor_hals.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+ <WifiVendorHal version="1">
+ <path>/vendor/lib64/libwifi-hal-mtk.so</path>
+ <primary>1</primary>
+</WifiVendorHal>

device.mk

@@ -186,7 +186,6 @@ $(call inherit-product, $(SRC_TARGET_DIR)/product/updatable_apex.mk)
 PRODUCT_PACKAGES += \
     wpa_supplicant \
     hostapd \
-    libwifi-hal-mt66xx \
     android.hardware.wifi@1.0-service-lazy
 
 PRODUCT_PACKAGES += \

proprietary-files.txt

@@ -541,3 +541,4 @@ vendor/lib64/vendor.mediatek.hardware.netdagent@1.0.so
 vendor/bin/wlan_assistant
 vendor/etc/init/init.wlan_drv.rc
 vendor/etc/init/wlan_assistant.rc
+vendor/lib64/libwifi-hal.so:vendor/lib64/libwifi-hal-mtk.so