wlan: Copy WCNSS_cfg.dat to out target directory from firmware_bin.

Copy WCNSS_cfg.dat file from prima/firmware_bin directory instead of
copying from device specifice folder (device/qcom/<target>) to out
target path, as WCNSS_cfg.dat file in prima/firmware_bin gets updated
as and when configuration file gets modified.

Change-Id: Ie1afc595d526ab3b16a7c84bcba564a62d71b687
CRs-Fixed: 613007
diff --git a/Android.mk b/Android.mk
index c5af1e9..628effa 100644
--- a/Android.mk
+++ b/Android.mk
@@ -43,34 +43,9 @@
        DLKM_DIR := build/dlkm
 endif
 
-
-ifeq ($(WLAN_PROPRIETARY),1)
-# For the proprietary driver the firmware files are handled here
-include $(CLEAR_VARS)
-LOCAL_MODULE       := WCNSS_qcom_wlan_nv.bin
-LOCAL_MODULE_TAGS  := optional
-LOCAL_MODULE_CLASS := ETC
-LOCAL_MODULE_PATH  := $(PRODUCT_OUT)/persist
-LOCAL_SRC_FILES    := firmware_bin/$(LOCAL_MODULE)
-include $(BUILD_PREBUILT)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE       := WCNSS_cfg.dat
-LOCAL_MODULE_TAGS  := optional
-LOCAL_MODULE_CLASS := ETC
-LOCAL_MODULE_PATH  := $(TARGET_OUT_ETC)/firmware/wlan/prima
-LOCAL_SRC_FILES    := firmware_bin/$(LOCAL_MODULE)
-include $(BUILD_PREBUILT)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE       := WCNSS_qcom_cfg.ini
-LOCAL_MODULE_TAGS  := optional
-LOCAL_MODULE_CLASS := ETC
-LOCAL_MODULE_PATH  := $(PRODUCT_OUT)/persist
-LOCAL_SRC_FILES    := firmware_bin/$(LOCAL_MODULE)
-include $(BUILD_PREBUILT)
-
-endif
+# Copy WCNSS_cfg.dat file from firmware_bin/ folder to target out directory.
+$(shell rm -f $(TARGET_OUT_ETC)/firmware/wlan/prima/WCNSS_cfg.dat)
+$(shell cp $(LOCAL_PATH)/firmware_bin/WCNSS_cfg.dat $(TARGET_OUT_ETC)/firmware/wlan/prima)
 
 # Build wlan.ko as either prima_wlan.ko or pronto_wlan.ko
 ###########################################################