BoardConfigQcom: Allow a device to opt-out hardset of PRODUCT_SOONG_NAMESPACES

By setting QCOM_SOONG_NAMESPACE in device.mk
This will allow a device to specify a device specific branch within
hardware/qcom-caf/ or the device tree.

Signed-off-by: Andrew Hexen <[email protected]>
Change-Id: I39693a0fb9665129f0810590d389c4cb06cdf8d7

Author: SyberHexen

config/BoardConfigQcom.mk

@@ -120,5 +120,6 @@ ifneq ($(USE_DEVICE_SPECIFIC_DATA_IPA_CFG_MGR),true)
     PRODUCT_SOONG_NAMESPACES += vendor/qcom/opensource/data-ipa-cfg-mgr
 endif
 
-PRODUCT_SOONG_NAMESPACES += \
-    hardware/qcom-caf/$(QCOM_HARDWARE_VARIANT)
+# Allow a device to opt-out hardset of PRODUCT_SOONG_NAMESPACES
+QCOM_SOONG_NAMESPACE ?= hardware/qcom-caf/$(QCOM_HARDWARE_VARIANT)
+PRODUCT_SOONG_NAMESPACES += $(QCOM_SOONG_NAMESPACE)