dptf: Add support for one more temperature sensor

Some boards may use more than 4 temperature sensors for DPTF thermal
control, so this patch adds support for one more temperature sensor.

BUG=b:207585491

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Ibf9666bade23b9bb4f740c6c4df6ecf5227cfb45
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59632
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Scott Chao <scott_chao@wistron.corp-partner.google.com>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>

src/include/acpi/acpigen_dptf.h

@@ -24,6 +24,7 @@ enum dptf_participant {
 	DPTF_TEMP_SENSOR_1,
 	DPTF_TEMP_SENSOR_2,
 	DPTF_TEMP_SENSOR_3,
+	DPTF_TEMP_SENSOR_4,
 	DPTF_TPCH,
 	DPTF_PARTICIPANT_COUNT,
 };
@@ -44,7 +45,7 @@ enum {
 	DPTF_FIELD_UNUSED		= 0xFFFFFFFFull,
 
 	/* Max supported by DPTF */
-	DPTF_MAX_TSR			= 4,
+	DPTF_MAX_TSR			= 5,
 };
 
 /* Active Policy */