I´m on Atmosphere 1.5.0 pre-release / OFW 15.0.1 and this works for me.
This is my Code:
[tc]
use_configurations_on_fwdbg = u8!0x1
tskin_rate_table_console_on_fwdbg = str!"[[-1000000, 40000, 0, 0], [36000, 43000, 51, 51], [43000, 48000, 51, 90], [48000, 53000, 90, 102], [53000, 58000, 128...