ARM: 5732/1: remove redundant include file

Remove duplicated #include('s) in arch/arm/mach-bcmring/core.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Leo Chen <leochen@broadcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c
index 492c649..d3bf29b 100644
--- a/arch/arm/mach-bcmring/core.c
+++ b/arch/arm/mach-bcmring/core.c
@@ -31,7 +31,6 @@
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
 
-#include <linux/amba/bus.h>
 #include <mach/csp/mm_addr.h>
 #include <mach/hardware.h>
 #include <asm/clkdev.h>