wic: align layer plugin path

wic look for external layer source plugin under scripts/lib/
while other tools look for lib/.

allow wic to check for source plugin at both scripts/lib/ and
lib/ to align with other tools while avoid breaking any existing
source plugin in external layer.

[YOCTO #13056]

(From OE-Core rev: 986baff26bd96a6265f5fe2d631818fff9f66374)

Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/scripts/lib/wic/help.py b/scripts/lib/wic/help.py
index 4d342fcf05..1e3d06a87b 100644
--- a/scripts/lib/wic/help.py
+++ b/scripts/lib/wic/help.py
@@ -536,7 +536,8 @@ DESCRIPTION
 
     Source plugins can also be implemented and added by external
     layers - any plugins found in a scripts/lib/wic/plugins/source/
-    directory in an external layer will also be made available.
+    or lib/wic/plugins/source/ directory in an external layer will
+    also be made available.
 
     When the wic implementation needs to invoke a partition-specific
     implementation, it looks for the plugin that has the same name as