drm/amd/pp: Fix NULL point check error in smu_set_watermarks_for_clocks_ranges

It is caused by
'commit d6c9a7dc86cd ("drm/amd/pp: Move common code to smu_helper.c")'

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c

@@ -657,7 +657,7 @@ int smu_set_watermarks_for_clocks_ranges(void *wt_table,
 	uint32_t i;
 	struct watermarks *table = wt_table;
 
-	if (!table || wm_with_clock_ranges)
+	if (!table || !wm_with_clock_ranges)
 		return -EINVAL;
 
 	if (wm_with_clock_ranges->num_wm_sets_dmif > 4 || wm_with_clock_ranges->num_wm_sets_mcif > 4)