net: dsa: mv88e6xxx: enable PVT for 6321 switch

Commit f364565 ("net: dsa: mv88e6xxx: move PVT description in
info") did not enable PVT for 6321 switch. Fix it.

Fixes: f364565 ("net: dsa: mv88e6xxx: move PVT description in info")
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250317173250.28780-4-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/dsa/mv88e6xxx/chip.c

@@ -6274,6 +6274,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
 		.g2_irqs = 10,
 		.stats_type = STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
 		.atu_move_port_mask = 0xf,
+		.pvt = true,
 		.multi_chip = true,
 		.edsa_support = MV88E6XXX_EDSA_SUPPORTED,
 		.ptp_support = true,