eth: fbnic: fix stampinn typo in a comment

Fix a typo:
 stampinn -> stamping

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250624142834.3275164-3-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Author: kuba-moo

drivers/net/ethernet/meta/fbnic/fbnic_netdev.h

@@ -66,7 +66,7 @@ struct fbnic_net {
 	struct fbnic_queue_stats rx_stats;
 	u64 link_down_events;
 
-	/* Time stampinn filter config */
+	/* Time stamping filter config */
 	struct kernel_hwtstamp_config hwtstamp_config;
 };