ARM: S3C64XX: Remove duplicate s3c_dma_has_circular() definition for S3C64xx.

This patch removes the duplicated s3c_dma_has_circular() definition and so fixes
compilation for S3C64xx.
Signed-off-by: NMaurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

arch/arm/mach-s3c6400/include/mach/dma.h

@@ -68,11 +68,6 @@ static __inline__ int s3c_dma_has_circular(void)
 
 #define S3C2410_DMAF_CIRCULAR		(1 << 0)
 
-static inline bool s3c_dma_has_circular(void)
-{
-	return false;
-}
-
 #include <plat/dma.h>
 
 #endif /* __ASM_ARCH_IRQ_H */