qcom: Add qcom-caf wlan to soong namespaces

Change-Id: I6b67b7932e27a7f1fbbb623e3e5b9e2103684c8c
diff --git a/config/BoardConfigQcom.mk b/config/BoardConfigQcom.mk
index 24a030e..be9747d 100644
--- a/config/BoardConfigQcom.mk
+++ b/config/BoardConfigQcom.mk
@@ -224,3 +224,6 @@
 ifneq ($(USE_DEVICE_SPECIFIC_DATASERVICES),true)
     PRODUCT_SOONG_NAMESPACES += vendor/qcom/opensource/dataservices
 endif
+
+# Add wlan to PRODUCT_SOONG_NAMESPACES
+PRODUCT_SOONG_NAMESPACES += hardware/qcom-caf/wlan