[SCSI] Add DMA mask constants other than 32 and 64 bit

};

#define DMA_64BIT_MASK	0xffffffffffffffffULL

#define DMA_40BIT_MASK	0x000000ffffffffffULL

#define DMA_39BIT_MASK	0x0000007fffffffffULL

#define DMA_32BIT_MASK	0x00000000ffffffffULL

#define DMA_31BIT_MASK	0x000000007fffffffULL

#define DMA_30BIT_MASK	0x000000003fffffffULL

#define DMA_29BIT_MASK	0x000000001fffffffULL

#include <asm/dma-mapping.h>