Add pbmc and pptb in the port_access_reg_cap_mask. These two
bits determine if device supports receive buffer configuration.
Signed-off-by: NHuy Nguyen <huyn@mellanox.com>
Reviewed-by: NParav Pandit <parav@mellanox.com>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>