net: wwan: t7xx: bug: mtk_t7xx not working on my arm development version works stably

[Tao]

I'm going to start by putting out two reports from dmesg's journal.

This is the complete log of the first boot up of the ARM platform
development board.
：https://paste.ubuntu.com/p/H4Wf88tb6r/
The main problem with this log is that when I just connect to the
internet the kernel log shows ‘[ 145.531887] mtk_t7xx 0000:01:00.0:
CLDMA0 queue 5 is not empty
[ 273.561922] NOHZ tick-stop error: local softirq work is pending,
handler #08!!!’ and the speed is unstable

This log is after the development board performs a reboot.
： https://paste.ubuntu.com/p/CwVVMwkcqD/

The main problem is that wwan0at0 and wwan0mbim0 cannot be generated properly.

This email has been translated from Chinese to English using a
translation tool, and I apologise for any semantic differences.