The 3430SDP uses the same panel as the 2430SDP.  The main difference
are in the GPIO lines used for panel enable and backlight, and the
VAUX register/commands sent to the TWL4030 power subsystem.

Also, some misc. whitespace cleanups.
Signed-off-by: Kevin Hilman <khilman@mvsita.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>