ARM: OMAP2: clock: use DT clock boot if available

Otherwise legacy boot clock data is used. This patch also includes the
clock data files to the base dtsi files.

Signed-off-by: Tero Kristo <t-kristo@ti.com>

arch/arm/boot/dts/omap2430.dtsi

@@ -288,3 +288,6 @@
 &i2c2 {
 	compatible = "ti,omap2430-i2c";
 };
+
+/include/ "omap24xx-clocks.dtsi"
+/include/ "omap2430-clocks.dtsi"