This came to light in some internal discussions and it is nice to have
this documented rather than digging up the PRM (Prog Ref Manual) again.
Signed-off-by: NEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Acked-by: NVineet Gupta <vgupta@synopsys.com>
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>