acpi: Add acpigen_write_thermal_zone

BUG=b:186166365
TEST=Compiles

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Icf88477143049119036c00276f9a01985dc0b4d3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54131
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lance Zhao
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index 5c8c1b9..9818dc2 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -781,6 +781,13 @@
 	acpigen_emit_namestring(name);
 }
 
+void acpigen_write_thermal_zone(const char *name)
+{
+	acpigen_emit_ext_op(THERMAL_ZONE_OP);
+	acpigen_write_len_f();
+	acpigen_emit_namestring(name);
+}
+
 void acpigen_write_STA(uint8_t status)
 {
 	/*