[ARM] 5454/1: ep93xx_eth: fix sparse warnings

Fix 50+ sparse warnings in the ep93xx ethernet driver.

  warning: incorrect type in argument 1 (different address spaces)

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

drivers/net/arm/ep93xx_eth.c

@@ -153,7 +153,7 @@ struct ep93xx_descs
 struct ep93xx_priv
 {
 	struct resource		*res;
-	void			*base_addr;
+	void __iomem		*base_addr;
 	int			irq;
 
 	struct ep93xx_descs	*descs;