sparc32,leon: remove duplicate UART register definitions

#define LEON_IRQMASK_R		0x0000fffe	/* bit 15- 1 of lregs.irqmask */

#define LEON_IRQPRIO_R		0xfffe0000	/* bit 31-17 of lregs.irqmask */

/* leon uart register definitions */

#define LEON_OFF_UDATA	0x0

#define LEON_OFF_USTAT	0x4

#define LEON_OFF_UCTRL	0x8

#define LEON_OFF_USCAL	0xc

#define LEON_UCTRL_RE	0x01

#define LEON_UCTRL_TE	0x02

#define LEON_UCTRL_RI	0x04

#define LEON_UCTRL_TI	0x08

#define LEON_UCTRL_PS	0x10

#define LEON_UCTRL_PE	0x20

#define LEON_UCTRL_FL	0x40

#define LEON_UCTRL_LB	0x80

#define LEON_USTAT_DR	0x01

#define LEON_USTAT_TS	0x02

#define LEON_USTAT_TH	0x04

#define LEON_USTAT_BR	0x08

#define LEON_USTAT_OV	0x10

#define LEON_USTAT_PE	0x20

#define LEON_USTAT_FE	0x40

#define LEON_MCFG2_SRAMDIS		0x00002000

#define LEON_MCFG2_SDRAMEN		0x00004000

#define LEON_MCFG2_SRAMBANKSZ		0x00001e00	/* [12-9] */

#define LEON_TCNT0_MASK	0x7fffff

#define LEON_USTAT_ERROR (LEON_USTAT_OV | LEON_USTAT_PE | LEON_USTAT_FE)

/* no break yet */

#define ASI_LEON3_SYSCTRL		0x02

#define ASI_LEON3_SYSCTRL_ICFG		0x08