mkorpershoek/fix-build-breakage-4.19
Cherry-pick a couple of patches from https://android.googlesource.com/kernel/manifest/+log/refs/heads/hikey-linaro-android-4.19 to resolve kernel build issues.
Kernel build tested with:
DIST_DIR=~/data/aosp/device/amlogic/yukawa-kernel/ BUILD_CONFIG=hikey-linaro/build.config.yukawa.aarch64 nice -n19 build/build.sh