The complete system images are intended for

• development system initialisation
• deployment

Bootloader images:
Not to be confused with the u-boot*.bin images, these are just intermediate images and will not be booted by the i.MX6.

• u-boot-TQMa6S.imx: u-boot bootloader for TQMa6S on MBa6x (usage on SD Card and eMMC)
• u-boot-TQMa6Q.imx: u-boot bootloader for TQMa6Q on MBa6x (usage on SD Card and eMMC)

Linux images:

• linuximage: Kernel (zImage)
• imx6dl-mba6x.dtb: device tree blob for TQMa6S on MBa6x
• imx6q-mba6x.dtb: device tree blob for TQMa6Q on MBa6x

Rootfs images:

• root.tgz: Root file system archive (for NFS etc.)
• root.ext2: Root file system partition image (for system update)