bootloader always needs dataflash data included application binary.

[HirokiIshiguro]

Describe the bug
bootloader cannot complete following state.

amazon-freertos/demos/renesas/rx65n-rsk/e2studio/ccrx/boot_loader/type2/src/boot_loader.c

Line 591 in 1f50ef5

case BOOT_LOADER_STATE_BANK0_INSTALL_SECURE_BOOT_WRITE_COMPLETE2:

System information

• RX65N RSK
• e2 studio
• Windows
• v1.4.7
• Project OTA

Expected behavior
bootloader can skip dataflash data installing when dataflash_flag is ON.

amazon-freertos/demos/renesas/rx65n-rsk/e2studio/ccrx/boot_loader/type2/src/boot_loader.c

Line 191 in 1f50ef5

uint32_t dataflash_flag;

Screenshots or console output
none

To reproduce
Input mot file without dataflash area data into MOT file convertor,
and output userprog.rsu (without dataflash data) and put it into bootloader.

Code to reproduce the bug
none

Additional context
none

Thank you!