ARM: PNX4008: Make ioaddr 'void __iomem *' rather than 'u32'

This avoids unnecessary casting.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/linux/i2c-pnx.h b/include/linux/i2c-pnx.h
index 9035711..5a48f33 100644
--- a/include/linux/i2c-pnx.h
+++ b/include/linux/i2c-pnx.h
@@ -26,7 +26,7 @@
 
 struct i2c_pnx_algo_data {
 	u32			base;
-	u32			ioaddr;
+	void __iomem		*ioaddr;
 	int			irq;
 	struct i2c_pnx_mif	mif;
 	int			last;