target/configs: remove trailing newline from udev_path and alias

This patch strips the trailing newline from backend device udev_path and
alias attributes.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --cc drivers/target/target_core_configfs.c
Simple merge