ti-dm: Update firmware for am62ax

Update the following ti-dm firmware
- 08.06.00.03 for am62ax (Firmware Builder)

Major changes compared to previous version:
- Build from 08.06.00.03 version of Firmware Builder SDK.

MD5 Checksum:
f69e0b5142418789a3c44fbaaf832755  ti-dm/am62axx/ipc_echo_testb_mcu1_0_release_strip.xer5f

Signed-off-by: Venkatesan Krishnamoorthy <v-krishnamoorthy@ti.com>