ARM: dts: Add DTS files for bcmbca SoC BCM6855

Add DTS for ARMv7 based broadband SoC BCM6855. bcm6855.dtsi is the SoC
description DTS header and bcm96855.dts is a simple DTS file for
Broadcom BCM96855 Reference board that only enable the UART port.

Signed-off-by: William Zhang <william.zhang@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/Makefile

@@ -185,6 +185,7 @@ dtb-$(CONFIG_ARCH_BCMBCA) += \
 	bcm947622.dtb \
 	bcm963178.dtb \
 	bcm96846.dtb \
+	bcm96855.dtb \
 	bcm96878.dtb
 dtb-$(CONFIG_ARCH_CLPS711X) += \
 	ep7211-edb7211.dtb