Mellanox: Add new mlxsw_spectrum firmware 13.1530.152

This new firmware contains:
 - Support Spectrum A1 revision
 - Batch deletion of IPv6 neighbours
 - Remove incorrect VPD capability
Signed-off-by: Shalom Toledo <shalomt@mellanox.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

WHENCE

@@ -3762,6 +3762,7 @@ https://developer.qualcomm.com/hardware/dragonboard-410c/tools
 Driver: mlxsw_spectrum - Mellanox Spectrum switch
 
 File: mellanox/mlxsw_spectrum-13.1420.122.mfa2
+File: mellanox/mlxsw_spectrum-13.1530.152.mfa2
 
 Licence:
  Copyright (c) 2017 Mellanox Technologies, Ltd. All rights reserved.