[diags] fix broken anchor in Diags Readme (#5978)
[diags] fix broken anchor in Diags Readme (#5978)


abtink/openthread,openthread/openthread,jwhui/openthread,openthread/openthread,jwhui/openthread,srickardti/openthread,openthread/openthread,openthread/openthread,jwhui/openthread,abtink/openthread,abtink/openthread,srickardti/openthread,srickardti/openthread,srickardti/openthread,jwhui/openthread,abtink/openthread