Add, struct kvaser_cmd_tx_ack, for standard Tx ACK commands.

Expand kvaser_usb_hydra_ktime_from_cmd() to extract timestamps from both
standard and extended Tx ACK commands. Unsupported commands are silently
ignored, and 0 is returned.
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://lore.kernel.org/all/20240701154936.92633-4-extja@kvaser.comSigned-off-by: Marc Kleine-Budde <mkl@pengutronix.de>