pdk: fix build error on mac
About symlink, show error on Mac.
To fix it, use 'rm' before 'cp'.
error log:
cp: symlink: /data/misc/audio/wcd9310_anc.bin: File exists
make: *** [out/target/product/mako/system/etc/firmware/wcd9310/wcd9310_anc.bin] Error 1
Bug: 8127112
Change-Id: I94e1677a6742cf4350e92bdffd58e6b782cf662c
diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index 28c01f3..afa5b74 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -110,6 +110,7 @@
# Copy with the last-modified time preserved, never follow symbolic links.
$(PRODUCT_OUT)/% : $(_pdk_fusion_intermediates)/% $(_pdk_fusion_stamp)
@mkdir -p $(dir $@)
+ $(hide) rm -rf $@
$(hide) cp -fpPR $< $@
ifeq (true,$(TARGET_BUILD_PDK_JAVA_PLATFORM))