external/wifi_driver/bcmdhd/Makefile

+CONFIG_BCMDHD_STATIC_IF :=y

@@ -465,6 +486,10 @@ ifneq ($(CONFIG_BCMDHD_PCIE),)
 endif
 endif
 
+ifeq ($(CONFIG_BCMDHD_STATIC_IF),y)
+    DHDCFLAGS += -DWL_STATIC_IF
+endif

device/rockchip/common
--- a/wifi_bt_common.mk
+++ b/wifi_bt_common.mk
@@ -2,6 +2,11 @@
 BOARD_CONNECTIVITY_VENDOR := Rockchip
 BOARD_CONNECTIVITY_MODULE := ap6xxx
 
+WIFI_HIDL_FEATURE_DUAL_INTERFACE := true
+PRODUCT_PROPERTY_OVERRIDES += \
+                wifi.interface=wlan0 \
+                ro.vendor.wifi.sap.interface=wlan1
+