rebuild.sh: Sanity check qemu-android checkout.

A fresh checkout of https://qemu-android.googlesource.com/qemu-android
will miss the libfdt sources, which prevents compilation of the whole
project.

This patch adds a small sanity check to detect this situation, as well
as human-friendly instructions to remedy it.
1 file changed
tree: f771836dd74f7f76b5ef5da2abd5523f50f40671
  1. archive/
  2. scripts/