Kleaf replaces build.sh. Define pineapple target in Bazel
so it may be built with the following command:
tools/bazel run //msm-kernel:pineapple_gki
Change-Id: If78ea5482898f92b751cad8542401ba12d9663bf
Signed-off-by: John Moon <quic_johmoo@quicinc.com>