ARM: dts: omap3-igep0020: Specify IGEPv2 revision in device tree.

We'll introduce new hardware revisions soon. This patch is only to
indicate which board revision supports this device tree file in order
to avoid confusions.
Signed-off-by: NEnric Balletbo i Serra <eballetbo@iseebcn.com>
Acked-by: NJavier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap3-igep0020.dts

 /*
- * Device Tree Source for IGEPv2 Rev. (TI OMAP AM/DM37x)
+ * Device Tree Source for IGEPv2 Rev. C (TI OMAP AM/DM37x)
  *
  * Copyright (C) 2012 Javier Martinez Canillas <javier@collabora.co.uk>
  * Copyright (C) 2012 Enric Balletbo i Serra <eballetbo@gmail.com>
@@ -13,7 +13,7 @@
 #include "omap-gpmc-smsc9221.dtsi"
 
 / {
-	model = "IGEPv2 (TI OMAP AM/DM37x)";
+	model = "IGEPv2 Rev. C (TI OMAP AM/DM37x)";
 	compatible = "isee,omap3-igep0020", "ti,omap36xx", "ti,omap3";
 
 	leds {