linux-phytec-fsl

ARM: dts: omap3-gta04: Rename gta04.dts to gta04.dtsi and add a4 model

This patch is preparation of adding more boards which have common moved
to omap3-gta04.dtsi. Other boards have only small additions to omap3-gta04a4.

Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>