can: peak_usb: add support of ONE_SHOT mode

This patch adds "ONE-SHOT" mode support to the following CAN-USB
PEAK-System GmbH interfaces:
- PCAN-USB X6
- PCAN-USB FD
- PCAN-USB Pro FD
- PCAN-Chip USB
- PCAN-USB Pro

Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
[mkl: split into two patches]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>