tree d253ccb0abcb9828eef83b0f4e87f1ab2640a709
parent b6f049b3c7476f7818aef6e634574307ab8f28cd
author Gabe Black <gabeblack@chromium.org> 1476927198 -0700
committer Gabe Black <gabeblack@chromium.org> 1477003492 -0700

make: Set up a way to internally append to the build image path.

This way the build can add on places to search for files that it knows are
going to be needed, leaving the normal BUILD_IMAGE_PATH variable for the
caller to add external files the depthcharge build doesn't necessarily know
about.

Change-Id: I13d332c418c50e597153d882bf48e108d580ac89