This seems to be necessary on my samsung-a5. Without this patch, the
first access of EHCI registers causes a bus stall and subsequent reset.
I am unsure why this wasn't already necessary for db410c, perhaps those
clocks are already enabled on boot.
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Signed-off-by: Sam Day <me@samcday.com>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
9b3a9f896e