IDE: palm_bk3710: fix compile warning for unused variable

Signed-off-by: NKevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/arm/palm_bk3710.c

@@ -347,7 +347,6 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev)
 {
 	struct clk *clk;
 	struct resource *mem, *irq;
-	struct ide_host *host;
 	unsigned long base, rate;
 	int i, rc;
 	hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };