tree 4c4b46e21b5bda3e8a3e8875060b29907d020441
parent b0f660cdae53c460c26c517b080d81f657844bc1
author Yongqin Liu <yongqin.liu@linaro.org> 1606205240 +0800
committer Yongqin Liu <yongqin.liu@linaro.org> 1606205970 +0800

hikey/hikey960: support to specify the prebuilt kernel dir out of aosp tree

add LOCAL_KERNEL_HOME variable to support the use of out of aosp tree
prebuilt kernel dir, like the dist directory when building kernel
according to the instructions here[1].

[1]: https://source.android.com/setup/build/building-kernels

Test: export LOCAL_KERNEL_HOME=<out/hikey960/dist>
      export TARGET_KERNEL_USE=5.4
      source build/envsetup.sh; lunch hikey960-userdebug; make -j$(nproc) droidcore

      export LOCAL_KERNEL_HOME=<out/hikey/dist>
      export HIKEY_USES_GKI=true
      source build/envsetup.sh; lunch hikey-userdebug; make -j$(nproc) droidcore

Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
Change-Id: Ide62267aa7b51d43280b4d3cefa0cbc82295b0d7