drivers/staging/serqt_usb2:serqt_usb2.c Fix line over 80 characters.

Fix checkpatch.pl issues with line over 80
characters in serqt_usb2.c

Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>