drm/amdgpu: add header line for power profile on Arcturus

So the output is consistent with other asics.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/arcturus_ppt.c

@@ -1320,12 +1320,17 @@ static int arcturus_get_power_profile_mode(struct smu_context *smu,
 					"VR",
 					"COMPUTE",
 					"CUSTOM"};
+	static const char *title[] = {
+			"PROFILE_INDEX(NAME)"};
 	uint32_t i, size = 0;
 	int16_t workload_type = 0;
 
 	if (!smu->pm_enabled || !buf)
 		return -EINVAL;
 
+	size += sprintf(buf + size, "%16s\n",
+			title[0]);
+
 	for (i = 0; i <= PP_SMC_POWER_PROFILE_CUSTOM; i++) {
 		/*
 		 * Conv PP_SMC_POWER_PROFILE* to WORKLOAD_PPLIB_*_BIT