ARM: bcm: Add support for Broadcom Hurricane 2 SoC

Add a Kconfig entry point and basic machine board code for the Broadcom
Hurricane 2 SoCs used in switching products.

Acked-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/mach-bcm/bcm_hr2.c

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2017 Broadcom
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <asm/mach/arch.h>
+
+static const char * const bcm_hr2_dt_compat[] __initconst = {
+	"brcm,hr2",
+	NULL,
+};
+
+DT_MACHINE_START(BCM_HR2_DT, "Broadcom Hurricane 2 SoC")
+	.l2c_aux_val	= 0,
+	.l2c_aux_mask	= ~0,
+	.dt_compat = bcm_hr2_dt_compat,
+MACHINE_END