Generated a Bootable image as below.
C:\SVN\Firmware\Tools\Flashloader_RT1020_1.0_GA\Tools\elftosb\win>elftosb.exe -f imx -V -c ..\..\bd_file\imx10xx\imx-flexspinor-normal-unsigned.bd -o ivt_Route56MCU.bin Route56MCU.axf
Section: 0x0
iMX bootable image generated successfully
C:\SVN\Firmware\Tools\Flashloader_RT1020_1.0_GA\Tools\elftosb\win>elftosb.exe -f kinetis -V -c ..\..\bd_file\imx10xx\program_flexspinor_image_qspinor.bd -o ivt_Route56MCU.sb ivt_Route56MCU_nopadding.bin
Boot Section 0x00000000:
FILL | adr=0x00002000 | len=0x00000004 | ptn=0xc0000006
ENA | adr=0x00002000 | cnt=0x00000004 | flg=0x0900
ERAS | adr=0x60000000 | cnt=0x00010000 | flg=0x0000
FILL | adr=0x00003000 | len=0x00000004 | ptn=0xf000000f
ENA | adr=0x00003000 | cnt=0x00000004 | flg=0x0900
LOAD | adr=0x60001000 | len=0x0001dc60 | crc=0x2d7b81fe | flg=0x0000
C:\SVN\Firmware\Tools\Flashloader_RT1020_1.0_GA\Tools\elftosb\win>copy ivt_Route56MCU.sb "..\..\mfgtools-rel\Profiles\MXRT102X\OS Firmware\"
1 file(s) copied.
Edit the file name to load in ucl2.xml "MXRT102x-DevBoot" section.
Launch the MfgTool2.exe and start programing. Get error !
Attached is MfgTool.log.
I am able to program successfully the Route56MCU.axf using µVision v5 project. (CMSIS-DAP debugger)