overview-manual: convert patching.png to svg

- Convert the png file to an SVG file.
- Add the new UNPACKDIR directory to the image.
- Remove ${PR} from WORKDIR value, after cc83e4548465 ("bitbake.conf:
  Drop PE and PR from WORKDIR and STAMP") on OE-Core.
- Change S value to BP (equal to ${BPN}-${PV}, but more accurate).-

Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
(From yocto-docs rev: 508d65d5eb1759caa926aa8a4634679647e2b121)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
(cherry picked from commit 3aa3af6d5214b47555c4c2b16e9c720122e16fa4)
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/overview-manual/concepts.rst b/documentation/overview-manual/concepts.rst
index 4a0dccd6c0..9ea30b19b0 100644
--- a/documentation/overview-manual/concepts.rst
+++ b/documentation/overview-manual/concepts.rst
@@ -764,7 +764,7 @@ Patching
 Once source code is fetched and unpacked, BitBake locates patch files
 and applies them to the source files:
 
-.. image:: figures/patching.png
+.. image:: svg/patching.*
    :width: 100%
 
 The :ref:`ref-tasks-patch` task uses a