control:docs:events: Add more actions

Describe the pcie_card_floors, set_request_target_base_with_max, and
set_parameter_from_group_max actions.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I18f58846da516ac3ea962e5a0e5e3aa168f46d59
1 file changed