kernel: define THERMAL_EMERGENCY_POWEROFF_DELAY_MS

Enabling CONFIG_ATH10K_THERMAL on targets that don't have CONFIG_THERMAL
enabled in their kernel config causes build to fail due to missing
symbol THERMAL_EMERGENCY_POWEROFF_DELAY_MS. Add it to kmod-thermal.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

package/kernel/linux/modules/other.mk

@@ -927,6 +927,7 @@ define KernelPackage/thermal
 	CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y \
 	CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE=n \
 	CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE=n \
+	CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=0 \
 	CONFIG_THERMAL_GOV_FAIR_SHARE=n \
 	CONFIG_THERMAL_GOV_STEP_WISE=y \
 	CONFIG_THERMAL_GOV_USER_SPACE=n \