CHROMIUM: config: Disable thermal writable trips

BUG=b:137776724
TEST=emerge-mistral gw-kernel-4_14
Not able to edit the trip points of thermal zone with following command
echo 100000 > /sys/class/thermal/thermal_zone*/trip_point_1_temp

Change-Id: I743cf3e5eaf81ca7cf97ad2e6a21f281d168e242
Reviewed-on: https://chromium-review.googlesource.com/1756946
Tested-by: Yuji Sasaki <sasakiy@chromium.org>
Tested-by: Bhogeswara Rao Metta <bhogeswararao@google.com>
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Yuji Sasaki <sasakiy@chromium.org>
diff --git a/chromeos/config/arm64/chromiumos-qualcomm.flavour.config b/chromeos/config/arm64/chromiumos-qualcomm.flavour.config
index 24d7f56..11304f8 100644
--- a/chromeos/config/arm64/chromiumos-qualcomm.flavour.config
+++ b/chromeos/config/arm64/chromiumos-qualcomm.flavour.config
@@ -801,7 +801,7 @@
 CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y
 CONFIG_THERMAL_EMULATION=y
 CONFIG_THERMAL_GOV_FAIR_SHARE=y
-CONFIG_THERMAL_WRITABLE_TRIPS=y
+# CONFIG_THERMAL_WRITABLE_TRIPS is not set
 # CONFIG_THUNDER_NIC_BGX is not set
 # CONFIG_THUNDER_NIC_PF is not set
 # CONFIG_THUNDER_NIC_RGX is not set