drm/radeon/dpm: add thermal dpm support for CI

Not currently used.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/ci_dpm.h b/drivers/gpu/drm/radeon/ci_dpm.h
index bb19fbf..84e3d3b 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.h
+++ b/drivers/gpu/drm/radeon/ci_dpm.h
@@ -239,6 +239,7 @@
 	u32 sclk_dpm_key_disabled;
 	u32 mclk_dpm_key_disabled;
 	u32 pcie_dpm_key_disabled;
+	u32 thermal_sclk_dpm_enabled;
 	struct ci_pcie_perf_range pcie_gen_performance;
 	struct ci_pcie_perf_range pcie_lane_performance;
 	struct ci_pcie_perf_range pcie_gen_powersaving;