ti-dm: Update firmware to 08.00.04.xx

Update the following ti-dm firmware
08.00.04.02 for j721s2

Updated for SYSFW v2022.01

MD5 Checksums:
3ea221a4399b37f9810f3c64b3137806  ti-dm/j721s2/ipc_echo_testb_mcu1_0_release_strip.xer5f

Signed-off-by: Rishabh Garg <rishabh@ti.com>
[praneet@ti.com: Fix WHENCE and firmware permissions]
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>