build: Add LINUX_KERNEL_COPYING license file
The build requires LINUX_KERNEL_COPYING when building
the notices. Change from depending on a file in
prebuilds/qemu-kernel to one in /build/core.
This is required as Brillo does not have the qemu-kernel
in its checkout.
BUG=25578534
Change-Id: Ieff6970035d27884c0769106e507284c1096c33f
diff --git a/core/Makefile b/core/Makefile
index 6c07067..237d5d1 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -664,7 +664,7 @@
# make the target NOTICE files depend on this particular file too, which will
# then be in the right directory for the find in combine-notice-files to work.
$(kernel_notice_file): \
- prebuilts/qemu-kernel/arm/LINUX_KERNEL_COPYING \
+ $(BUILD_SYSTEM)/LINUX_KERNEL_COPYING \
| $(ACP)
@echo Copying: $@
$(hide) mkdir -p $(dir $@)