SRC_URI[md5sum] has been deprecated for a long time. Discourage its use
by removing it from examples and note that it should be replaced by
SRC_URI[sha256sum] when updating recipes.
Also mention that bitbake supports other checksums, though they are not
commonly used.
(From yocto-docs rev: fb5b87cf7322542896c269f404571a655ed6bf91)
Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>