xserver-common 1.34: Add Nexus S support

Since we only use Xorg(and not kdrive) on the nexus S,
only Xorg support was included.

The DPI value was taken from:
http://en.wikipedia.org/wiki/List_of_displays_by_pixel_density



Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
Acked-by: Simon Busch <morphis@gravedo.de>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>