drm/i915: Fix spelling typo in comment

Fix spelling typo in comment.
Reported-by: k2ci <kernel-bot@kylinos.cn>
Signed-off-by: pengfuyuan <pengfuyuan@kylinos.cn>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/tencent_7B226C4A9BC2B5EEB37B70C188B5015D290A@qq.com

drivers/gpu/drm/i915/gem/i915_gem_tiling.c

@@ -114,7 +114,7 @@ u32 i915_gem_fence_alignment(struct drm_i915_private *i915, u32 size,
 	return i915_gem_fence_size(i915, size, tiling, stride);
 }
 
-/* Check pitch constriants for all chips & tiling formats */
+/* Check pitch constraints for all chips & tiling formats */
 static bool
 i915_tiling_ok(struct drm_i915_gem_object *obj,
 	       unsigned int tiling, unsigned int stride)