Use 'error' instead of 'echo' for error messages. Otherwise, capturing
is always started, for example with an unsupported device.
While at it, make the error messages more consistent and clear.
Change-Id: I83c9abfb4514e6b638c4be14651e67f768af8bad
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: https://review.openocd.org/c/openocd/+/8255
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: <post@frankplowman.com>
1a00c67e10