[PATCH bugfix] ARM: dts: imx51: remove bogus pin definition

[Shawn Guo]

On Fri, Feb 26, 2016 at 03:08:52PM +0100, Lothar Waßmann wrote:
> Pad DISPB2_SER_RS has no function DISP1_EXT_CLK.
> The definition is obviusly a copy/paste error from
> MX51_PAD_DISPB2_SER_RS__DISP1_PIN16.
> 
> Signed-off-by: Lothar Waßmann <LW at KARO-electronics.de>

Applied, thanks.