Defines starting with `d' in bsd/ppc

• DEV_BSHIFT bsd/ppc/param.h:52
• DEV_BSIZE bsd/ppc/param.h:51
• DFLCSIZ bsd/ppc/vmparam.h:57
• DFLDSIZ bsd/ppc/vmparam.h:45
• DFLSSIZ bsd/ppc/vmparam.h:51