[CORE] ibbus as an upper class HCA filter

[CORE] ibbus as an upper class HCA filter
core/bus/kernel/bus_driver.c
core/bus/kernel/bus_driver.h
core/bus/kernel/bus_iou_mgr.c
core/bus/kernel/bus_iou_mgr.h
core/bus/kernel/bus_pnp.c
core/bus/kernel/bus_pnp.h
core/bus/kernel/bus_port_mgr.c
core/bus/kernel/bus_port_mgr.h
[HW]
hw/mlx4/kernel/hca/mlx4_hca.cdf
hw/mlx4/kernel/hca/mlx4_hca.inx
hw/mlx4/kernel/hca/mlx4_hca32.cdf
hw/mthca/kernel/mthca.cdf
hw/mthca/kernel/mthca.inx
hw/mthca/kernel/mthca32.cdf

etc/makebin.bat

git-svn-id: svn://openib.tc.cornell.edu/gen1@1504 ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86