UART(M.2 interface & /dev/ttyTHS2) data corruption on Nano

Hi,

How does Jetson Nano - Disable Serial Console to use all 3 UARTS - #6 by Bibek useful in this issue?

Please find Jetson Nano Development kit information below.
L4T 32.6.1 [ JetPack 4.6 ]
Ubuntu 18.04.5 LTS
Kernel Version: 4.9.253-tegra

We are using
https://developer.nvidia.com/embedded/l4t/r32_release_v7.1/jp_4.6.1_b110_sd_card/jeston_nano/jetson-nano-jp461-sd-card-image.zip for the testing.