rename DO_AUTOCONFIG to AUTOCNF in all files

ROMFS/px4fmu_common/init.d/10015_tbs_discovery

ROMFS/px4fmu_common/init.d/10016_3dr_iris

ROMFS/px4fmu_common/init.d/10017_steadidrone_qu4d

ROMFS/px4fmu_common/init.d/1005_rc_fw_Malolo1.hil

ROMFS/px4fmu_common/init.d/3031_phantom

ROMFS/px4fmu_common/init.d/3032_skywalker_x5

ROMFS/px4fmu_common/init.d/3033_wingwing

ROMFS/px4fmu_common/init.d/3100_tbs_caipirinha

ROMFS/px4fmu_common/init.d/4008_ardrone

ROMFS/px4fmu_common/init.d/4010_dji_f330

ROMFS/px4fmu_common/init.d/4011_dji_f450

ROMFS/px4fmu_common/init.d/4012_quad_x_can

ROMFS/px4fmu_common/init.d/4020_hk_micro_pcb

ROMFS/px4fmu_common/init.d/rc.fw_defaults

ROMFS/px4fmu_common/init.d/rc.mc_defaults