drm/amdgpu: fix spelling mistake "gateing" -> "gating"

There is a spelling mistake in a DRM_INFO message. Fix it.
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vce_v2_0.c

@@ -283,7 +283,7 @@ static int vce_v2_0_stop(struct amdgpu_device *adev)
 	}
 
 	if (vce_v2_0_wait_for_idle(adev)) {
-		DRM_INFO("VCE is busy, Can't set clock gateing");
+		DRM_INFO("VCE is busy, Can't set clock gating");
 		return 0;
 	}