coresight: Propagate symlink failure

coresight: Propagate symlink failure

commit 51dd19a7e9f8fbbb7cd92b8a357091911eae7f78 upstream.

If the symlink is unable to be created, the driver goes
ahead and continues device creation. Instead lets propagate
the failure, and fail the probe.

Link: https://lore.kernel.org/r/20210526204042.2681700-1-jeremy.linton@arm.com
Fixes: 8a7365c2d418 ("coresight: Expose device connections via sysfs")
Cc: stable@vger.kernel.org
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210614175901.532683-7-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>