This patch changes hose_list from a simple linked list to a
"list.h"-style list.  This is in preparation for the runtime
addition/removal of PCI Host Bridges.
Signed-off-by: John Rose <johnrose@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>