ARM: dts: omap3430-sdp: Fix NAND device node

Nand is on CS1 so reg properties first field should be 1 not 0.

Fixes: 44e47164

 ("ARM: dts: omap3: Fix NAND device nodes")
Cc: stable@vger.kernel.org # v4.6+
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>