[MIPS] TXx9: Fix some sparse warnings

#include <linux/module.h>

#include <linux/clk.h>

#include <linux/err.h>

#include <linux/gpio.h>

#include <asm/bootinfo.h>

#include <asm/time.h>

#include <asm/txx9/generic.h>

#ifdef CONFIG_CPU_TX49XX

#include <asm/txx9/tx4938.h>

#include <asm/txx9/txx927.h>

#define TX3927_SDRAMC_REG	0xfffe8000

#define TX3927_ROMC_REG		0xfffe9000

#define TX3927_DMA_REG		0xfffeb000

#define TX3927_IRC_REG		0xfffec000

#define TX3927_PCIC_REG		0xfffed000

#define TX3927_CCFG_REG		0xfffee000

#define TX3927_REG_BASE	0xfffe0000UL

#define TX3927_SDRAMC_REG	(TX3927_REG_BASE + 0x8000)

#define TX3927_ROMC_REG		(TX3927_REG_BASE + 0x9000)

#define TX3927_DMA_REG		(TX3927_REG_BASE + 0xb000)

#define TX3927_IRC_REG		(TX3927_REG_BASE + 0xc000)

#define TX3927_PCIC_REG		(TX3927_REG_BASE + 0xd000)

#define TX3927_CCFG_REG		(TX3927_REG_BASE + 0xe000)

#define TX3927_NR_TMR	3

#define TX3927_TMR_REG(ch)	(0xfffef000 + (ch) * 0x100)

#define TX3927_TMR_REG(ch)	(TX3927_REG_BASE + 0xf000 + (ch) * 0x100)

#define TX3927_NR_SIO	2

#define TX3927_SIO_REG(ch)	(0xfffef300 + (ch) * 0x100)

#define TX3927_PIO_REG		0xfffef500

#define TX3927_SIO_REG(ch)	(TX3927_REG_BASE + 0xf300 + (ch) * 0x100)

#define TX3927_PIO_REG		(TX3927_REG_BASE + 0xf500)

struct tx3927_sdramc_reg {

	volatile unsigned long cr[8];