Provide PRIxBUSADDR, PRIxBUSSIZE, PRIuBUSSIZE, and PRIxBSH for all archesto follow arm and (generic) mips.Reviewed by christos.
Change <machine/bus.h> to <sys/bus.h> throughout.Split bus.h -> bus_{defs,funcs}.h.Mark evbsh3/bus.h obsolete.