drm/i915/gvt: fix spelling mistake: "destoried" -> "destroyed"

Trivial fix to spelling mistake in gvt_err error message text.
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NZhenyu Wang <zhenyuw@linux.intel.com>

drivers/gpu/drm/i915/gvt/gtt.c

@@ -2046,7 +2046,7 @@ static void intel_vgpu_destroy_all_ppgtt_mm(struct intel_vgpu *vgpu)
 	}
 
 	if (GEM_WARN_ON(!list_empty(&vgpu->gtt.ppgtt_mm_list_head)))
-		gvt_err("vgpu ppgtt mm is not fully destoried\n");
+		gvt_err("vgpu ppgtt mm is not fully destroyed\n");
 
 	if (GEM_WARN_ON(!radix_tree_empty(&vgpu->gtt.spt_tree))) {
 		gvt_err("Why we still has spt not freed?\n");