Defines starting with `d' in osfmk/kdp/pe/POWERMAC

• DBDMA_ETHERNET_EOP osfmk/kdp/pe/POWERMAC/kdp_mace.h:373
• DSF_LOCK osfmk/kdp/pe/POWERMAC/kdp_mace.h:347
• DSF_RUNNING osfmk/kdp/pe/POWERMAC/kdp_mace.h:348