Documentation: bonding: clarify supported modes for tlb_dynamic_lb

tlb_dynamic_lb bonding option is compatible with balance-tlb and balance-alb
modes. In order to be consistent with other option documentation, it should
mention both modes not only balance-tlb.

Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Link: https://lore.kernel.org/r/20220826154738.4039-1-ffmancera@riseup.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>