ARM: S3C64XX: make regs-sys.h local

The header file can be local in mach-s3c64xx/.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c
index f2a7a17..ec29b35 100644
--- a/arch/arm/mach-s3c64xx/dma.c
+++ b/arch/arm/mach-s3c64xx/dma.c
@@ -28,10 +28,10 @@
 #include <mach/map.h>
 #include <mach/irqs.h>
 
-#include <mach/regs-sys.h>
-
 #include <asm/hardware/pl080.h>
 
+#include "regs-sys.h"
+
 /* dma channel state information */
 
 struct s3c64xx_dmac {