USB: serial: add missing newlines to dev_<level> messages.

Add missing newlines to dev_<level> messages.

Also make some messages less verbose where appropriate.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

diff --cc drivers/usb/serial/ch341.c
Simple merge

diff --cc drivers/usb/serial/cyberjack.c
Simple merge

diff --cc drivers/usb/serial/cypress_m8.c
Simple merge

diff --cc drivers/usb/serial/iuu_phoenix.c
Simple merge

diff --cc drivers/usb/serial/keyspan_pda.c
Simple merge

diff --cc drivers/usb/serial/kl5kusb105.c
Simple merge

diff --cc drivers/usb/serial/kobil_sct.c
Simple merge

diff --cc drivers/usb/serial/mos7720.c
Simple merge

diff --cc drivers/usb/serial/mos7840.c
Simple merge

diff --cc drivers/usb/serial/quatech2.c
Simple merge

diff --cc drivers/usb/serial/spcp8x5.c
Simple merge

diff --cc drivers/usb/serial/symbolserial.c
Simple merge

diff --cc drivers/usb/serial/ti_usb_3410_5052.c
Simple merge

diff --cc drivers/usb/serial/usb-serial.c
Simple merge