arm64: Add Broadcom iProc family support

This patch adds support to Broadcom's iProc family of arm64 based SoCs
in the arm64 Kconfig and defconfig files

Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index f7e4327..e2deb18 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -1,5 +1,10 @@
 menu "Platform selection"
 
+config ARCH_BCM_IPROC
+	bool "Broadcom iProc SoC Family"
+	help
+	  This enables support for Broadcom iProc based SoCs
+
 config ARCH_EXYNOS
 	bool
 	help