mmc: pci: Drop the superfluous cast

dm_pci_map_bar() return a value of (void *) already, hence no need
to cast it again before assigning to host->ioaddr.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/mmc/pci_mmc.c b/drivers/mmc/pci_mmc.c
index 9fb7044..4d163cc 100644
--- a/drivers/mmc/pci_mmc.c
+++ b/drivers/mmc/pci_mmc.c
@@ -50,8 +50,8 @@
 	desc = mmc_get_blk_desc(&plat->mmc);
 	desc->removable = !(plat->cfg.host_caps & MMC_CAP_NONREMOVABLE);
 
-	host->ioaddr = (void *)dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, 0, 0, PCI_REGION_TYPE,
-					      PCI_REGION_MEM);
+	host->ioaddr = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, 0, 0,
+				      PCI_REGION_TYPE, PCI_REGION_MEM);
 	host->name = dev->name;
 	host->cd_gpio = priv->cd_gpio;
 	host->mmc = &plat->mmc;