staging: sm7xxfb: annotate iomem pointers

#define dac_reg	(0x3c8)

#define dac_val	(0x3c9)

extern char __iomem *smtc_RegBaseAddress;

extern void __iomem *smtc_RegBaseAddress;

#define smtc_mmiowb(dat, reg)	writeb(dat, smtc_RegBaseAddress + reg)

#define smtc_mmioww(dat, reg)	writew(dat, smtc_RegBaseAddress + reg)

#define smtc_mmiowl(dat, reg)	writel(dat, smtc_RegBaseAddress + reg)

	u16 chip_id;

	u8  chip_rev_id;

	unsigned char __iomem *m_pMMIO;

	char __iomem *m_pLFB;

	char *m_pDPR;

	char *m_pVPR;

	char *m_pCPR;

	void __iomem *m_pMMIO;

	void __iomem *m_pLFB;

	void __iomem *m_pDPR;

	void __iomem *m_pVPR;

	void __iomem *m_pCPR;

	u_int width;

	u_int height;

	u32 colreg[17];

};

char __iomem *smtc_RegBaseAddress;	/* Memory Map IO starting address */

char __iomem *smtc_VRAMBaseAddress;	/* video memory starting address */

void __iomem *smtc_RegBaseAddress;	/* Memory Map IO starting address */

void __iomem *smtc_VRAMBaseAddress;	/* video memory starting address */

static struct fb_var_screeninfo smtcfb_var = {

	.xres           = 1024,