fix patching of system specific patches

toolchain/kernel-headers/Makefile

@@ -17,7 +17,7 @@ endif
 ifneq ($(ADK_DISABLE_TARGET_KERNEL_PATCHES),y)
 	$(TRACE) kernel-target-patch
 	$(PATCH) $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION) \
-		$(TOPDIR)/target/$(ARCH)/$(ADK_TARGET_SYSTEM)/patches/$(KERNEL_VERSION) *.patch $(MAKE_TRACE)
+		$(TOPDIR)/target/$(ADK_TARGET_ARCH)/$(ADK_TARGET_SYSTEM)/patches/$(KERNEL_VERSION) *.patch $(MAKE_TRACE)
 endif
 ifeq ($(ADK_KERNEL_ADDON_YAFFS2),y)
 	$(TRACE) yaffs2-kernel-patch