ia64: Fix misspellings in comments.

#define SSCR_PAUSE_STATE	0x40000000	/* set when PAUSE takes effect*/

#define SSCR_RESET		0x80000000	/* reset DMA channels */

/* all producer/comsumer pointers are the same bitfield */

/* all producer/consumer pointers are the same bitfield */

#define PROD_CONS_PTR_4K	0x00000ff8	/* for 4K buffers */

#define PROD_CONS_PTR_1K	0x000003f8	/* for 1K buffers */

#define PROD_CONS_PTR_OFF	3

 * respones are captured until IXSS[VALID] is cleared by setting the    *

 * appropriate bit in IECLR. Every time a spurious read response is     *

 * detected, the SPUR_RD bit of the PRB corresponding to the incoming   *

 * message's SIDN field is set. This always happens, regarless of       *

 * message's SIDN field is set. This always happens, regardless of       *

 * whether a header is captured. The programmer should check            *

 * IXSM[SIDN] to determine which widget sent the spurious response,     *

 * because there may be more than one SPUR_RD bit set in the PRB        *

/*

 * Values for field imsgtype

 */

#define IIO_ICRB_IMSGT_XTALK    0	/* Incoming Meessage from Xtalk */

#define IIO_ICRB_IMSGT_XTALK    0	/* Incoming message from Xtalk */

#define IIO_ICRB_IMSGT_BTE      1	/* Incoming message from BTE    */

#define IIO_ICRB_IMSGT_SN1NET   2	/* Incoming message from SN1 net */

#define IIO_ICRB_IMSGT_CRB      3	/* Incoming message from CRB ???  */