ARM: clps711x: Add SOC BUS support

Add SOC BUS support with CPU family, machine name and unique ID.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c49a775..c848172 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -387,6 +387,7 @@
 	select CPU_ARM720T
 	select GENERIC_CLOCKEVENTS
 	select MFD_SYSCON
+	select SOC_BUS
 	help
 	  Support for Cirrus Logic 711x/721x/731x based boards.