bnxt_en: Add a warning message for driver initiated reset

During loss of heartbeat, log this warning message.
Signed-off-by: NVasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: NMichael Chan <michael.chan@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -10122,6 +10122,7 @@ static void bnxt_force_fw_reset(struct bnxt *bp)
 
 void bnxt_fw_exception(struct bnxt *bp)
 {
+	netdev_warn(bp->dev, "Detected firmware fatal condition, initiating reset\n");
 	set_bit(BNXT_STATE_FW_FATAL_COND, &bp->state);
 	bnxt_rtnl_lock_sp(bp);
 	bnxt_force_fw_reset(bp);