can: rcar_canfd: Invert global vs. channel teardown

can: rcar_canfd: Invert global vs. channel teardown

Global state is initialized and torn down before per-channel state.
Invert the order to restore symmetry.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Vincent Mailhol <mailhol@kernel.org>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://patch.msgid.link/20251124102837.106973-3-biju.das.jz@bp.renesas.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>