CRIS: Allow arch dependent delay to override common version.

extern unsigned long loops_per_usec; /* arch/cris/mm/init.c */

/* May be defined by arch/delay.h. */

#ifndef udelay

static inline void udelay(unsigned long usecs)

{

	__delay(usecs * loops_per_usec);

}

#endif

#endif /* defined(_CRIS_DELAY_H) */