[U-Boot] serial_pl011: Set RTS during initialization

[Tom Rini]

On Sun, Dec 02, 2012 at 05:09:26PM -0000, Rob Herring wrote:

> From: Joshua Housh <joshua.housh at calxeda.com>
> 
> If the pl011 is connected to another device which has hardware
> flow-control on, characters are never received by the pl011.
> Asserting RTS when flow-control is off will have no effect.
> 
> This is in line with how Linux behaves.
> 
> Signed-off-by: Joshua Housh <joshua.housh at calxeda.com>
> Tested-by: Marek Vasut <marex at denx.de>

Applied to u-boot/master, thanks!

-- 
Tom
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