fsi: master-gpio: Remove unused definitions

#define	FSI_INIT_CLOCKS		5000	/* Clock out any old data */

#define	FSI_GPIO_DPOLL_CLOCKS	50      /* < 21 will cause slave to hang */

#define	FSI_GPIO_EPOLL_CLOCKS	50      /* Number of clocks for E_POLL retry */

#define	FSI_GPIO_STD_DELAY	10	/* Standard GPIO delay in nS */

					/* todo: adjust down as low as */

					/* possible or eliminate */

#define FSI_CRC_ERR_RETRIES	10

#define	FSI_GPIO_CMD_DPOLL      0x2

#define	FSI_GPIO_MAX_BUSY	200

#define	FSI_GPIO_MTOE_COUNT	1000

#define	FSI_GPIO_DRAIN_BITS	20

#define	FSI_GPIO_CRC_SIZE	4

#define	FSI_GPIO_MSG_ID_SIZE		2

#define	FSI_GPIO_MSG_RESPID_SIZE	2

#define LAST_ADDR_INVALID		0x1