ipc: update UAPI header install location

Update UAPI header install location from PRODUCT_OUT
to OUT.

Change-Id: I6a1d3b14ae77317f1fc2069a33865ceed190c200
Signed-off-by: Banajit Goswami <[email protected]>

ipc/Kbuild

@@ -114,7 +114,7 @@ KBUILD_CPPFLAGS += $(CDEFINES)
 ifeq ($(KERNEL_BUILD), 0)
 
 HEADER_INSTALL_DIR := $(TOP)/kernel/msm-$(TARGET_KERNEL_VERSION)/scripts
-UAPI_OUT := $(PRODUCT_OUT)/obj/vendor/qcom/opensource/audio-kernel/include
+UAPI_OUT := $(OUT)/obj/vendor/qcom/opensource/audio-kernel/include
 $(shell $(HEADER_INSTALL_DIR)/headers_install.sh $(UAPI_OUT)/linux/ $(AUDIO_ROOT)/include/uapi/linux/ avtimer.h;)
 $(shell $(HEADER_INSTALL_DIR)/headers_install.sh $(UAPI_OUT)/linux/ $(AUDIO_ROOT)/include/uapi/linux/ msm_audio.h;)
 $(shell $(HEADER_INSTALL_DIR)/headers_install.sh $(UAPI_OUT)/linux/ $(AUDIO_ROOT)/include/uapi/linux/ msm_audio_aac.h;)