mlxsw: cmd: Fix omissions in CONFIG_PROFILE field names in comments

A number of CONFIG_PROFILE fields' comments refer to a field named like
cmd_mbox_config_* instead of cmd_mbox_config_profile_*. Correct these
omissions.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>