can: kvaser_usb: Store the different firmware version components in a struct

can: kvaser_usb: Store the different firmware version components in a struct

Store firmware version in kvaser_usb_fw_version struct, specifying the
different components of the version number.
And drop debug prinout of firmware version, since later patches will expose
it via the devlink interface.

Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://patch.msgid.link/20250725123452.41-7-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>