rsi: use enum for FSM states

#define FSM_ZONE                        BIT(7)  /* For State Machine Msgs     */

#define ISR_ZONE                        BIT(8)  /* For Interrupt Msgs         */

#define FSM_CARD_NOT_READY              0

#define FSM_BOOT_PARAMS_SENT            1

#define FSM_EEPROM_READ_MAC_ADDR        2

#define FSM_RESET_MAC_SENT              3

#define FSM_RADIO_CAPS_SENT             4

#define FSM_BB_RF_PROG_SENT             5

#define FSM_MAC_INIT_DONE               6

enum RSI_FSM_STATES {

	FSM_CARD_NOT_READY,

	FSM_BOOT_PARAMS_SENT,

	FSM_EEPROM_READ_MAC_ADDR,

	FSM_RESET_MAC_SENT,

	FSM_RADIO_CAPS_SENT,

	FSM_BB_RF_PROG_SENT,

	FSM_MAC_INIT_DONE

};

extern u32 rsi_zone_enabled;

extern __printf(2, 3) void rsi_dbg(u32 zone, const char *fmt, ...);