Support rtl8814au USB Wi-Fi dongle

rtl8814au is used by ASUS Wi-Fi dongle USB-AC68.
This driver is based on https://github.com/ulli-kroll/rtl8814au

Change-Id: I393c293473619154babd353dadc8cfe9c891d351
Reviewed-on: https://tp-biosrd-v02/gerrit/80664
Reviewed-by: Sam2 Hsu(徐敏原) <Sam2_Hsu@asus.com>
Tested-by: Sam2 Hsu(徐敏原) <Sam2_Hsu@asus.com>

Author: Sam2Hsu

arch/arm/configs/miniarm-rk3288_defconfig

@@ -417,6 +417,7 @@ CONFIG_RT2X00=y
 CONFIG_RT2800USB=y
 CONFIG_WL_ROCKCHIP=y
 CONFIG_RTL8723BS=m
+CONFIG_RTL8814AU=m
 # CONFIG_INPUT_MOUSEDEV is not set
 CONFIG_INPUT_JOYDEV=y
 CONFIG_INPUT_EVDEV=y

drivers/net/wireless/rockchip_wlan/Kconfig

@@ -24,5 +24,6 @@ source "drivers/net/wireless/rockchip_wlan/rtl8189es/Kconfig"
 source "drivers/net/wireless/rockchip_wlan/rtl8189fs/Kconfig"
 source "drivers/net/wireless/rockchip_wlan/rtl8723cs/Kconfig"
 source "drivers/net/wireless/rockchip_wlan/rtl8822be/Kconfig"
+source "drivers/net/wireless/rockchip_wlan/rtl8814au/Kconfig"
 
 endif # WL_ROCKCHIP

drivers/net/wireless/rockchip_wlan/Makefile

@@ -8,3 +8,4 @@ obj-$(CONFIG_RTL8822BE)	+= rtl8822be/
 obj-$(CONFIG_WL_ROCKCHIP)	+= wifi_sys/rkwifi_sys_iface.o
 obj-$(CONFIG_RTL8723BS)	+= rtl8723bs/
 obj-$(CONFIG_WL_ROCKCHIP)	+= rkwifi/rk_wifi_config.o
+obj-$(CONFIG_RTL8814AU)	+= rtl8814au/