mb/google/brya/var/taniks: Increase TSR2 threshold from 40 °C to 70 °C

Change settings according to thermal team test results

BUG=b:215033682
TEST=build and tested fan works normally on taniks

Change-Id: I567815782ece4ab7fcec7da6b787ee9eec27aba4
Signed-off-by: Joey Peng <joey.peng@lcfc.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62952
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>

src/mainboard/google/brya/variants/taniks/overridetree.cb

@@ -137,7 +137,7 @@ chip soc/intel/alderlake
 					[2] = {
 						.target = DPTF_TEMP_SENSOR_2,
 						.thresholds = {
-								TEMP_PCT(57, 40),
+								TEMP_PCT(57, 70),
 								TEMP_PCT(54, 60),
 								TEMP_PCT(48, 60),
 								TEMP_PCT(45, 45),