CONFIG_ARCH_CO285		- co-ebsa285
CONFIG_ARCH_FOOTBRIDGE		- all other footbridge systems

  CONFIG_ARCH_CATS		- CATS support
  CONFIG_ARCH_PERSONAL_SERVER	- personal server support
  CONFIG_ARCH_EBSA285_ADDIN	- add-in ebsa285 support
  CONFIG_ARCH_EBSA285_HOST	- host ebsa285 support
  CONFIG_ARCH_NETWINDER 	- netwinder support

CONFIG_FOOTBRIDGE		- any system with a footbridge chip
 |- (CONFIG_ARCH_CO285)
 \- (CONFIG_ARCH_FOOTBRIDGE)

CONFIG_FOOTBRIDGE_HOST		- any system with host mode footbridge support
 |- (CONFIG_ARCH_CATS)
 |- (CONFIG_ARCH_EBSA285_HOST)
 |- (CONFIG_ARCH_NETWINDER)
 \- (CONFIG_ARCH_PERSONAL_SERVER)

CONFIG_FOOTBRIDGE_ADDIN 	- any system with addin mode footbridge support
 |- (CONFIG_ARCH_CO285)
 \- (CONFIG_ARCH_EBSA285_ADDIN)

CONFIG_ARCH_EBSA285		- either host or add-in ebsa285 support, but
 |- (CONFIG_ARCH_EBSA285_ADDIN)   not co-ebsa285
 \- (CONFIG_ARCH_EBSA285_HOST)