ARM: dts: omap4-panda: Fix model and SoC family details

Currently we claim that omap4-panda and omap4-panda-es are essentially
the same, but they are not since PandaBoard-ES uses OMAP4460 and
PandaBoard uses OMAP4430.

So, split the common definition and make the model name available.

Signed-off-by: Nishanth Menon <[e-mail]>
Signed-off-by: Tony Lindgren <[e-mail]>

arch/arm/boot/dts/omap4-panda-common.dtsi

···
 #include "elpida_ecb240abacn.dtsi"
 
 / {
-	model = "TI OMAP4 PandaBoard";
-	compatible = "ti,omap4-panda", "ti,omap4430", "ti,omap4";
-
 	memory {
 		device_type = "memory";
 		reg = <0x80000000 0x40000000>; /* 1 GB */

arch/arm/boot/dts/omap4-panda-es.dts

···
 #include "omap4460.dtsi"
 #include "omap4-panda-common.dtsi"
 
+/ {
+	model = "TI OMAP4 PandaBoard-ES";
+	compatible = "ti,omap4-panda-es", "ti,omap4-panda", "ti,omap4460", "ti,omap4430", "ti,omap4";
+};
+
 /* Audio routing is differnet between PandaBoard4430 and PandaBoardES */
 &sound {
 	ti,model = "PandaBoardES";

arch/arm/boot/dts/omap4-panda.dts

···
 
 #include "omap443x.dtsi"
 #include "omap4-panda-common.dtsi"
+
+/ {
+	model = "TI OMAP4 PandaBoard";
+	compatible = "ti,omap4-panda", "ti,omap4430", "ti,omap4";
+};