sh: Use existing CONFIG_CACHE_xx options in head_64.S.

#define MMUDR_CACHED_L	0x000000000000015a | ALIGNED_PHYSICAL

			/* 512 Mb, Cacheable, Write-back, read/write, Not User, Ph. Add. */

#ifdef CONFIG_ICACHE_DISABLED

#ifdef CONFIG_CACHE_OFF

#define	ICCR0_INIT_VAL	ICCR0_OFF			/* ICACHE off */

#else

#define	ICCR0_INIT_VAL	ICCR0_ON | ICCR0_ICI		/* ICE + ICI */

#endif

#define	ICCR1_INIT_VAL	ICCR1_NOLOCK			/* No locking */

#if defined (CONFIG_DCACHE_DISABLED)

#if defined (CONFIG_CACHE_OFF)

#define	OCCR0_INIT_VAL	OCCR0_OFF			   /* D-cache: off  */

#elif defined (CONFIG_DCACHE_WRITE_THROUGH)

#elif defined (CONFIG_CACHE_WRITETHROUGH)

#define	OCCR0_INIT_VAL	OCCR0_ON | OCCR0_OCI | OCCR0_WT	   /* D-cache: on,   */

							   /* WT, invalidate */

#elif defined (CONFIG_DCACHE_WRITE_BACK)

#elif defined (CONFIG_CACHE_WRITEBACK)

#define	OCCR0_INIT_VAL	OCCR0_ON | OCCR0_OCI | OCCR0_WB	   /* D-cache: on,   */

							   /* WB, invalidate */

#else

#error preprocessor flag CONFIG_DCACHE_... not recognized!

#error preprocessor flag CONFIG_CACHE_... not recognized!

#endif

#define	OCCR1_INIT_VAL	OCCR1_NOLOCK			   /* No locking     */