[Buildroot] [v2 1/1] merge_config.sh: add br2-external support

[Peter Korsgaard]

>>>>> "Ilya" == Ilya Kuzmich <ilya.kuzmich at gmail.com> writes:

 > Pass BR2_EXTERNAL value via -e option.
 > This will prevent merge_config.sh from silently eating any symbols defined in
 > external trees on a clean buildroot tree invocation.

 > Signed-off-by: Ilya Kuzmich <ilya.kuzmich at gmail.com>

 > ---
 > Changes v1 -> v2:
 > Simplifications

 > Signed-off-by: Ilya Kuzmich <ilya.kuzmich at gmail.com>

Committed, thanks.

-- 
Bye, Peter Korsgaard