ARM: dts: update dts files for bcmbca SoC BCM63138

Update BCM63138 board compatible string based on binding document.

Signed-off-by: William Zhang <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Florian Fainelli <[e-mail]>

arch/arm/boot/dts/bcm63138.dtsi

···
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
-	compatible = "brcm,bcm63138";
-	model = "Broadcom BCM63138 DSL SoC";
+	compatible = "brcm,bcm63138", "brcm,bcmbca";
+	model = "Broadcom BCM963138 Reference Board";
 	interrupt-parent = <&gic>;
 
 	aliases {

arch/arm/boot/dts/bcm963138dvt.dts

···
 #include "bcm63138.dtsi"
 
 / {
-	compatible = "brcm,BCM963138DVT", "brcm,bcm63138";
+	compatible = "brcm,BCM963138DVT", "brcm,bcm63138", "brcm,bcmbca";
 	model = "Broadcom BCM963138DVT";
 
 	chosen {