usb: fastboot: Add missing newline in pr_err

Add missing newline in pr_err.

Signed-off-by: Simon Holesch <simon@holesch.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20231120002024.32865-2-simon@holesch.de
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
1 file changed