ICE Error No.f31: Abnormal nSRST signal.

[Supported model]
adviceLUNA, adviceLUNA2

[Scope]
ARM

[Error message]
ICE Error No.f31: Abnormal nSRST signal. Check nSRST signal.

[Cause]
This error is output when nSRST signal is unstable.

[Workaround]
Check nSRST signal.