adding cTDP configuration option

etc/lenovo_fix.conf

@@ -15,6 +15,8 @@ PL2_Tdp_W: 44
 PL2_Duration_S: 0.002
 # Max allowed temperature before throttling
 Trip_Temp_C: 85
+# Set cTDP to normal=0, down=1 or up=2 (EXPERIMENTAL)
+cTDP: 0
 
 ## Settings to apply while connected to AC power
 [AC]
@@ -32,6 +34,8 @@ PL2_Duration_S: 0.002
 Trip_Temp_C: 95
 # Set HWP energy performance hints to 'performance' on high load (EXPERIMENTAL)
 HWP_Mode: False
+# Set cTDP to normal=0, down=1 or up=2 (EXPERIMENTAL)
+cTDP: 0
 
 [UNDERVOLT]
 # CPU core voltage offset (mV)