mb/prodrive/hermes: Set tcc offset to 1

Prevent early throttling when the ambient temperature is high.

Change-Id: Ie6881c9c0942aae3e43509170352271a74244d42
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47094
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb

@@ -124,7 +124,7 @@ chip soc/intel/cannonlake
 	register "usb2_ports[13]" = "USB2_PORT_MID(OC_SKIP)"
 
 	# Thermal
-	register "tcc_offset" = "6"     # TCC of 94C
+	register "tcc_offset" = "1"     # TCC of 99C
 
 
 	# Disable S0ix