bcma: delete duplicate readl

The 'val' has already been read by the prior call to 'mips_busprobe32';
this 'readl' is unnecessary.
Signed-off-by: NNathan Hintz <nlhintz@hotmail.com>
Acked-by: NHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/bcma/driver_pci_host.c

@@ -122,8 +122,6 @@ static int bcma_extpci_read_config(struct bcma_drv_pci *pc, unsigned int dev,
 			val = 0xffffffff;
 			goto unmap;
 		}
-
-		val = readl(mmio);
 	}
 	val >>= (8 * (off & 3));