Oh yes, when they dumpimage a normal oem firmware, it looks something like this (im guessing),
dumpimage -l lsdk2004_ubuntu_main_LS_arm64.itb
FIT description: arm64 kernel, ramdisk and FDT blob
Created: Tue Feb 2 18:54:19 2021
Image 0 (kernel)
Description: ARM64 Kernel
Created: Tue Feb 2 18:54:19 2021
Type: Kernel Image
Compression: gzip compressed
Data Size: 14086432 Bytes = 13756.28 kB = 13.43 MB
Architecture: AArch64
OS: Linux
Load Address: 0x84080000
Entry Point: 0x84080000
Hash algo: crc32
Hash value: 1980d6fd
Image 1 (initrd)
Description: initrd for arm64
Created: Tue Feb 2 18:54:19 2021
Type: RAMDisk Image
Compression: uncompressed
Data Size: 668988861 Bytes = 653309.43 kB = 638.00 MB
Architecture: AArch64
OS: Linux
Load Address: 0x00000000
Entry Point: 0x00000000
Hash algo: crc32
Hash value: 24aa3c08
Image 2 (ls1012ardb-dtb)
Description: ls1012ardb-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 14335 Bytes = 14.00 kB = 0.01 MB
Architecture: AArch64
Hash algo: crc32
Hash value: 383a8118
Image 3 (ls1012aqds-dtb)
Description: ls1012aqds-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 15972 Bytes = 15.60 kB = 0.02 MB
Architecture: AArch64
Hash algo: crc32
Hash value: 7d133305
Image 4 (ls1012afrwy-dtb)
Description: ls1012afrwy-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 15316 Bytes = 14.96 kB = 0.01 MB
Architecture: AArch64
Hash algo: crc32
Hash value: 7c456ca3
Image 5 (ls1028ardb-dtb)
Description: ls1028ardb-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 19767 Bytes = 19.30 kB = 0.02 MB
Architecture: AArch64
Hash algo: crc32
Hash value: db86fa4f
Image 6 (ls1028aqds-dtb)
Description: ls1028aqds-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 24733 Bytes = 24.15 kB = 0.02 MB
Architecture: AArch64
Hash algo: crc32
Hash value: e0b7a722
Image 7 (ls1043ardb-dtb)
Description: ls1043ardb-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 41085 Bytes = 40.12 kB = 0.04 MB
Architecture: AArch64
Hash algo: crc32
Hash value: fcc6502c
Image 8 (ls1043aqds-dtb)
Description: ls1043aqds-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 34544 Bytes = 33.73 kB = 0.03 MB
Architecture: AArch64
Hash algo: crc32
Hash value: 45f82fba
Image 9 (ls1046ardb-dtb)
Description: ls1046ardb-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 40270 Bytes = 39.33 kB = 0.04 MB
Architecture: AArch64
Hash algo: crc32
Hash value: 013f5024
Image 10 (ls1046aqds-dtb)
Description: ls1046aqds-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 34317 Bytes = 33.51 kB = 0.03 MB
Architecture: AArch64
Hash algo: crc32
Hash value: be066013
Image 11 (ls1046afrwy-dtb)
Description: ls1046afrwy-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 31528 Bytes = 30.79 kB = 0.03 MB
Architecture: AArch64
Hash algo: crc32
Hash value: d872df6c
Image 12 (ls1088ardb-dtb)
Description: ls1088ardb-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 19523 Bytes = 19.07 kB = 0.02 MB
Architecture: AArch64
Hash algo: crc32
Hash value: 403066bc
Image 13 (ls1088aqds-dtb)
Description: ls1088aqds-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 19415 Bytes = 18.96 kB = 0.02 MB
Architecture: AArch64
Hash algo: crc32
Hash value: a2bf2786
Image 14 (ls2088ardb-dtb)
Description: ls2088ardb-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 29838 Bytes = 29.14 kB = 0.03 MB
Architecture: AArch64
Hash algo: crc32
Hash value: 0069fe03
Image 15 (ls2088aqds-dtb)
Description: ls2088aqds-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 23557 Bytes = 23.00 kB = 0.02 MB
Architecture: AArch64
Hash algo: crc32
Hash value: e8e9dfa7
Image 16 (lx2160ardb-dtb)
Description: lx2160ardb-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 32643 Bytes = 31.88 kB = 0.03 MB
Architecture: AArch64
Hash algo: crc32
Hash value: e5859b31
Image 17 (lx2160aqds-dtb)
Description: lx2160aqds-dtb
Created: Tue Feb 2 18:54:19 2021
Type: Flat Device Tree
Compression: uncompressed
Data Size: 27740 Bytes = 27.09 kB = 0.03 MB
Architecture: AArch64
Hash algo: crc32
Hash value: f644de1e