Backport PACKAGECONFIG[editline] from Scarthgap to Kirkstone
because libedit has feature parity with readline but is more
permissively licensed (BSD verses GPLv3). This patch provides
means of enabling editline in a distribution without GPLv3 and
in this case improves Python REPL keyboard support.
(From OE-Core rev: 12dc7d2081a1aaec90ffb3ed6718d757ce14b5ab)
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>