externalsrc: move back to classes

The externalsrc class was moved to classes-recipe as part of oe-core
f5c1280, but it can be used in both recipe and global contexts so move
it back to classes/.

(From OE-Core rev: 7a2edcd4b7cb5a2d829289a11eff62663268fbf3)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton
2022-10-18 19:21:19 +01:00
committed by Richard Purdie
parent 7e4b96e911
commit 378f67bd82